19728323160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19853}}^1$

素因数の和:19907

約数の個数: 288

約数和(自身を含む): 74554946640

約数和(自身を除く): 54826623480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 169, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 338, 364, 390, 392, 420, 455, 490, 507, 520, 546, 588, 637, 676, 728, 735, 780, 840, 845, 910, 980, 1014, 1092, 1176, 1183, 1274, 1352, 1365, 1470, 1560, 1690, 1820, 1911, 1960, 2028, 2184, 2366, 2535, 2548, 2730, 2940, 3185, 3380, 3549, 3640, 3822, 4056, 4732, 5070, 5096, 5460, 5880, 5915, 6370, 6760, 7098, 7644, 8281, 9464, 9555, 10140, 10920, 11830, 12740, 14196, 15288, 16562, 17745, 19110, 19853, 20280, 23660, 24843, 25480, 28392, 33124, 35490, 38220, 39706, 41405, 47320, 49686, 59559, 66248, 70980, 76440, 79412, 82810, 99265, 99372, 119118, 124215, 138971, 141960, 158824, 165620, 198530, 198744, 238236, 248430, 258089, 277942, 297795, 331240, 397060, 416913, 476472, 496860, 516178, 555884, 595590, 694855, 774267, 794120, 833826, 972797, 993720, 1032356, 1111768, 1191180, 1290445, 1389710, 1548534, 1667652, 1806623, 1945594, 2064712, 2084565, 2382360, 2580890, 2779420, 2918391, 3097068, 3335304, 3355157, 3613246, 3871335, 3891188, 4169130, 4863985, 5161780, 5419869, 5558840, 5836782, 6194136, 6710314, 7226492, 7742670, 7782376, 8338260, 9033115, 9727970, 10065471, 10323560, 10839738, 11673564, 12646361, 13420628, 14452984, 14591955, 15485340, 16676520, 16775785, 18066230, 19455940, 20130942, 21679476, 23347128, 23486099, 25292722, 26841256, 27099345, 29183910, 30970680, 33551570, 36132460, 37939083, 38911880, 40261884, 43358952, 46972198, 50327355, 50585444, 54198690, 58367820, 63231805, 67103140, 70458297, 72264920, 75878166, 80523768, 93944396, 100654710, 101170888, 108397380, 116735640, 117430495, 126463610, 134206280, 140916594, 151756332, 164402693, 187888792, 189695415, 201309420, 216794760, 234860990, 252927220, 281833188, 303512664, 328805386, 352291485, 379390830, 402618840, 469721980, 493208079, 505854440, 563666376, 657610772, 704582970, 758781660, 822013465, 939443960, 986416158, 1315221544, 1409165940, 1517563320, 1644026930, 1972832316, 2466040395, 2818331880, 3288053860, 3945664632, 4932080790, 6576107720, 9864161580, 19728323160]

約数ペア:

[(1, 19728323160), (2, 9864161580), (3, 6576107720), (4, 4932080790), (5, 3945664632), (6, 3288053860), (7, 2818331880), (8, 2466040395), (10, 1972832316), (12, 1644026930), (13, 1517563320), (14, 1409165940), (15, 1315221544), (20, 986416158), (21, 939443960), (24, 822013465), (26, 758781660), (28, 704582970), (30, 657610772), (35, 563666376), (39, 505854440), (40, 493208079), (42, 469721980), (49, 402618840), (52, 379390830), (56, 352291485), (60, 328805386), (65, 303512664), (70, 281833188), (78, 252927220), (84, 234860990), (91, 216794760), (98, 201309420), (104, 189695415), (105, 187888792), (120, 164402693), (130, 151756332), (140, 140916594), (147, 134206280), (156, 126463610), (168, 117430495), (169, 116735640), (182, 108397380), (195, 101170888), (196, 100654710), (210, 93944396), (245, 80523768), (260, 75878166), (273, 72264920), (280, 70458297), (294, 67103140), (312, 63231805), (338, 58367820), (364, 54198690), (390, 50585444), (392, 50327355), (420, 46972198), (455, 43358952), (490, 40261884), (507, 38911880), (520, 37939083), (546, 36132460), (588, 33551570), (637, 30970680), (676, 29183910), (728, 27099345), (735, 26841256), (780, 25292722), (840, 23486099), (845, 23347128), (910, 21679476), (980, 20130942), (1014, 19455940), (1092, 18066230), (1176, 16775785), (1183, 16676520), (1274, 15485340), (1352, 14591955), (1365, 14452984), (1470, 13420628), (1560, 12646361), (1690, 11673564), (1820, 10839738), (1911, 10323560), (1960, 10065471), (2028, 9727970), (2184, 9033115), (2366, 8338260), (2535, 7782376), (2548, 7742670), (2730, 7226492), (2940, 6710314), (3185, 6194136), (3380, 5836782), (3549, 5558840), (3640, 5419869), (3822, 5161780), (4056, 4863985), (4732, 4169130), (5070, 3891188), (5096, 3871335), (5460, 3613246), (5880, 3355157), (5915, 3335304), (6370, 3097068), (6760, 2918391), (7098, 2779420), (7644, 2580890), (8281, 2382360), (9464, 2084565), (9555, 2064712), (10140, 1945594), (10920, 1806623), (11830, 1667652), (12740, 1548534), (14196, 1389710), (15288, 1290445), (16562, 1191180), (17745, 1111768), (19110, 1032356), (19853, 993720), (20280, 972797), (23660, 833826), (24843, 794120), (25480, 774267), (28392, 694855), (33124, 595590), (35490, 555884), (38220, 516178), (39706, 496860), (41405, 476472), (47320, 416913), (49686, 397060), (59559, 331240), (66248, 297795), (70980, 277942), (76440, 258089), (79412, 248430), (82810, 238236), (99265, 198744), (99372, 198530), (119118, 165620), (124215, 158824), (138971, 141960)]