72457740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:918

約数の個数: 144

約数和(自身を含む): 241611552

約数和(自身を除く): 169153812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 877, 918, 972, 1020, 1215, 1377, 1530, 1620, 1754, 1836, 2295, 2430, 2631, 2754, 3060, 3508, 4131, 4385, 4590, 4860, 5262, 5508, 6885, 7893, 8262, 8770, 9180, 10524, 13155, 13770, 14909, 15786, 16524, 17540, 20655, 23679, 26310, 27540, 29818, 31572, 39465, 41310, 44727, 47358, 52620, 59636, 71037, 74545, 78930, 82620, 89454, 94716, 118395, 134181, 142074, 149090, 157860, 178908, 213111, 223635, 236790, 268362, 284148, 298180, 355185, 402543, 426222, 447270, 473580, 536724, 670905, 710370, 805086, 852444, 894540, 1065555, 1207629, 1341810, 1420740, 1610172, 2012715, 2131110, 2415258, 2683620, 3622887, 4025430, 4262220, 4830516, 6038145, 7245774, 8050860, 12076290, 14491548, 18114435, 24152580, 36228870, 72457740]

約数ペア:

[(1, 72457740), (2, 36228870), (3, 24152580), (4, 18114435), (5, 14491548), (6, 12076290), (9, 8050860), (10, 7245774), (12, 6038145), (15, 4830516), (17, 4262220), (18, 4025430), (20, 3622887), (27, 2683620), (30, 2415258), (34, 2131110), (36, 2012715), (45, 1610172), (51, 1420740), (54, 1341810), (60, 1207629), (68, 1065555), (81, 894540), (85, 852444), (90, 805086), (102, 710370), (108, 670905), (135, 536724), (153, 473580), (162, 447270), (170, 426222), (180, 402543), (204, 355185), (243, 298180), (255, 284148), (270, 268362), (306, 236790), (324, 223635), (340, 213111), (405, 178908), (459, 157860), (486, 149090), (510, 142074), (540, 134181), (612, 118395), (765, 94716), (810, 89454), (877, 82620), (918, 78930), (972, 74545), (1020, 71037), (1215, 59636), (1377, 52620), (1530, 47358), (1620, 44727), (1754, 41310), (1836, 39465), (2295, 31572), (2430, 29818), (2631, 27540), (2754, 26310), (3060, 23679), (3508, 20655), (4131, 17540), (4385, 16524), (4590, 15786), (4860, 14909), (5262, 13770), (5508, 13155), (6885, 10524), (7893, 9180), (8262, 8770)]