31454280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 123327360

約数和(自身を除く): 91873080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 47, 52, 55, 60, 65, 66, 72, 78, 88, 90, 94, 99, 104, 110, 117, 120, 130, 132, 141, 143, 156, 165, 169, 180, 188, 195, 198, 220, 234, 235, 260, 264, 282, 286, 312, 330, 338, 360, 376, 390, 396, 423, 429, 440, 468, 470, 495, 507, 517, 520, 564, 572, 585, 611, 660, 676, 705, 715, 780, 792, 845, 846, 858, 936, 940, 990, 1014, 1034, 1128, 1144, 1170, 1222, 1287, 1320, 1352, 1410, 1430, 1521, 1551, 1560, 1690, 1692, 1716, 1833, 1859, 1880, 1980, 2028, 2068, 2115, 2145, 2340, 2444, 2535, 2574, 2585, 2820, 2860, 3042, 3055, 3102, 3380, 3384, 3432, 3666, 3718, 3960, 4056, 4136, 4230, 4290, 4653, 4680, 4888, 5070, 5148, 5170, 5499, 5577, 5640, 5720, 6084, 6110, 6204, 6435, 6721, 6760, 7332, 7436, 7605, 7755, 7943, 8460, 8580, 9165, 9295, 9306, 10140, 10296, 10340, 10998, 11154, 12168, 12220, 12408, 12870, 13442, 14664, 14872, 15210, 15510, 15886, 16731, 16920, 17160, 18330, 18590, 18612, 20163, 20280, 20680, 21996, 22308, 23265, 23829, 24440, 25740, 26884, 27495, 27885, 30420, 31020, 31772, 33462, 33605, 36660, 37180, 37224, 39715, 40326, 43992, 44616, 46530, 47658, 51480, 53768, 54990, 55770, 60489, 60840, 62040, 63544, 66924, 67210, 71487, 73320, 74360, 79430, 80652, 83655, 87373, 93060, 95316, 100815, 109980, 111540, 119145, 120978, 133848, 134420, 142974, 158860, 161304, 167310, 174746, 186120, 190632, 201630, 219960, 223080, 238290, 241956, 262119, 268840, 285948, 302445, 317720, 334620, 349492, 357435, 403260, 436865, 476580, 483912, 524238, 571896, 604890, 669240, 698984, 714870, 786357, 806520, 873730, 953160, 1048476, 1209780, 1310595, 1429740, 1572714, 1747460, 2096952, 2419560, 2621190, 2859480, 3145428, 3494920, 3931785, 5242380, 6290856, 7863570, 10484760, 15727140, 31454280]

約数ペア:

[(1, 31454280), (2, 15727140), (3, 10484760), (4, 7863570), (5, 6290856), (6, 5242380), (8, 3931785), (9, 3494920), (10, 3145428), (11, 2859480), (12, 2621190), (13, 2419560), (15, 2096952), (18, 1747460), (20, 1572714), (22, 1429740), (24, 1310595), (26, 1209780), (30, 1048476), (33, 953160), (36, 873730), (39, 806520), (40, 786357), (44, 714870), (45, 698984), (47, 669240), (52, 604890), (55, 571896), (60, 524238), (65, 483912), (66, 476580), (72, 436865), (78, 403260), (88, 357435), (90, 349492), (94, 334620), (99, 317720), (104, 302445), (110, 285948), (117, 268840), (120, 262119), (130, 241956), (132, 238290), (141, 223080), (143, 219960), (156, 201630), (165, 190632), (169, 186120), (180, 174746), (188, 167310), (195, 161304), (198, 158860), (220, 142974), (234, 134420), (235, 133848), (260, 120978), (264, 119145), (282, 111540), (286, 109980), (312, 100815), (330, 95316), (338, 93060), (360, 87373), (376, 83655), (390, 80652), (396, 79430), (423, 74360), (429, 73320), (440, 71487), (468, 67210), (470, 66924), (495, 63544), (507, 62040), (517, 60840), (520, 60489), (564, 55770), (572, 54990), (585, 53768), (611, 51480), (660, 47658), (676, 46530), (705, 44616), (715, 43992), (780, 40326), (792, 39715), (845, 37224), (846, 37180), (858, 36660), (936, 33605), (940, 33462), (990, 31772), (1014, 31020), (1034, 30420), (1128, 27885), (1144, 27495), (1170, 26884), (1222, 25740), (1287, 24440), (1320, 23829), (1352, 23265), (1410, 22308), (1430, 21996), (1521, 20680), (1551, 20280), (1560, 20163), (1690, 18612), (1692, 18590), (1716, 18330), (1833, 17160), (1859, 16920), (1880, 16731), (1980, 15886), (2028, 15510), (2068, 15210), (2115, 14872), (2145, 14664), (2340, 13442), (2444, 12870), (2535, 12408), (2574, 12220), (2585, 12168), (2820, 11154), (2860, 10998), (3042, 10340), (3055, 10296), (3102, 10140), (3380, 9306), (3384, 9295), (3432, 9165), (3666, 8580), (3718, 8460), (3960, 7943), (4056, 7755), (4136, 7605), (4230, 7436), (4290, 7332), (4653, 6760), (4680, 6721), (4888, 6435), (5070, 6204), (5148, 6110), (5170, 6084), (5499, 5720), (5577, 5640)]