181931280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 623097024

約数和(自身を除く): 441165744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 43, 48, 51, 60, 61, 68, 80, 85, 86, 102, 120, 122, 129, 136, 170, 172, 183, 204, 215, 240, 244, 255, 258, 272, 289, 305, 340, 344, 366, 408, 430, 488, 510, 516, 578, 610, 645, 680, 688, 731, 732, 816, 860, 867, 915, 976, 1020, 1032, 1037, 1156, 1220, 1290, 1360, 1445, 1462, 1464, 1720, 1734, 1830, 2040, 2064, 2074, 2193, 2312, 2440, 2580, 2623, 2890, 2924, 2928, 3111, 3440, 3468, 3655, 3660, 4080, 4148, 4335, 4386, 4624, 4880, 5160, 5185, 5246, 5780, 5848, 6222, 6936, 7310, 7320, 7869, 8296, 8670, 8772, 10320, 10370, 10492, 10965, 11560, 11696, 12427, 12444, 13115, 13872, 14620, 14640, 15555, 15738, 16592, 17340, 17544, 17629, 20740, 20984, 21930, 23120, 24854, 24888, 26230, 29240, 31110, 31476, 34680, 35088, 35258, 37281, 39345, 41480, 41968, 43860, 44591, 49708, 49776, 52460, 52887, 58480, 62135, 62220, 62952, 69360, 70516, 74562, 78690, 82960, 87720, 88145, 89182, 99416, 104920, 105774, 124270, 124440, 125904, 133773, 141032, 149124, 157380, 175440, 176290, 178364, 186405, 198832, 209840, 211548, 222955, 248540, 248880, 264435, 267546, 282064, 298248, 314760, 352580, 356728, 372810, 423096, 445910, 497080, 528870, 535092, 596496, 629520, 668865, 705160, 713456, 745620, 758047, 846192, 891820, 994160, 1057740, 1070184, 1337730, 1410320, 1491240, 1516094, 1783640, 2115480, 2140368, 2274141, 2675460, 2982480, 3032188, 3567280, 3790235, 4230960, 4548282, 5350920, 6064376, 7580470, 9096564, 10701840, 11370705, 12128752, 15160940, 18193128, 22741410, 30321880, 36386256, 45482820, 60643760, 90965640, 181931280]

約数ペア:

[(1, 181931280), (2, 90965640), (3, 60643760), (4, 45482820), (5, 36386256), (6, 30321880), (8, 22741410), (10, 18193128), (12, 15160940), (15, 12128752), (16, 11370705), (17, 10701840), (20, 9096564), (24, 7580470), (30, 6064376), (34, 5350920), (40, 4548282), (43, 4230960), (48, 3790235), (51, 3567280), (60, 3032188), (61, 2982480), (68, 2675460), (80, 2274141), (85, 2140368), (86, 2115480), (102, 1783640), (120, 1516094), (122, 1491240), (129, 1410320), (136, 1337730), (170, 1070184), (172, 1057740), (183, 994160), (204, 891820), (215, 846192), (240, 758047), (244, 745620), (255, 713456), (258, 705160), (272, 668865), (289, 629520), (305, 596496), (340, 535092), (344, 528870), (366, 497080), (408, 445910), (430, 423096), (488, 372810), (510, 356728), (516, 352580), (578, 314760), (610, 298248), (645, 282064), (680, 267546), (688, 264435), (731, 248880), (732, 248540), (816, 222955), (860, 211548), (867, 209840), (915, 198832), (976, 186405), (1020, 178364), (1032, 176290), (1037, 175440), (1156, 157380), (1220, 149124), (1290, 141032), (1360, 133773), (1445, 125904), (1462, 124440), (1464, 124270), (1720, 105774), (1734, 104920), (1830, 99416), (2040, 89182), (2064, 88145), (2074, 87720), (2193, 82960), (2312, 78690), (2440, 74562), (2580, 70516), (2623, 69360), (2890, 62952), (2924, 62220), (2928, 62135), (3111, 58480), (3440, 52887), (3468, 52460), (3655, 49776), (3660, 49708), (4080, 44591), (4148, 43860), (4335, 41968), (4386, 41480), (4624, 39345), (4880, 37281), (5160, 35258), (5185, 35088), (5246, 34680), (5780, 31476), (5848, 31110), (6222, 29240), (6936, 26230), (7310, 24888), (7320, 24854), (7869, 23120), (8296, 21930), (8670, 20984), (8772, 20740), (10320, 17629), (10370, 17544), (10492, 17340), (10965, 16592), (11560, 15738), (11696, 15555), (12427, 14640), (12444, 14620), (13115, 13872)]