67721670

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 195184080

約数和(自身を除く): 127462410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 31, 45, 54, 58, 62, 81, 87, 90, 93, 135, 145, 155, 162, 174, 186, 243, 261, 270, 279, 290, 310, 405, 435, 465, 486, 522, 558, 783, 810, 837, 870, 899, 930, 961, 1215, 1305, 1395, 1566, 1674, 1798, 1922, 2349, 2430, 2511, 2610, 2697, 2790, 2883, 3915, 4185, 4495, 4698, 4805, 5022, 5394, 5766, 7047, 7533, 7830, 8091, 8370, 8649, 8990, 9610, 11745, 12555, 13485, 14094, 14415, 15066, 16182, 17298, 23490, 24273, 25110, 25947, 26970, 27869, 28830, 35235, 37665, 40455, 43245, 48546, 51894, 55738, 70470, 72819, 75330, 77841, 80910, 83607, 86490, 121365, 129735, 139345, 145638, 155682, 167214, 218457, 233523, 242730, 250821, 259470, 278690, 364095, 389205, 418035, 436914, 467046, 501642, 728190, 752463, 778410, 836070, 1092285, 1167615, 1254105, 1504926, 2184570, 2257389, 2335230, 2508210, 3762315, 4514778, 6772167, 7524630, 11286945, 13544334, 22573890, 33860835, 67721670]

約数ペア:

[(1, 67721670), (2, 33860835), (3, 22573890), (5, 13544334), (6, 11286945), (9, 7524630), (10, 6772167), (15, 4514778), (18, 3762315), (27, 2508210), (29, 2335230), (30, 2257389), (31, 2184570), (45, 1504926), (54, 1254105), (58, 1167615), (62, 1092285), (81, 836070), (87, 778410), (90, 752463), (93, 728190), (135, 501642), (145, 467046), (155, 436914), (162, 418035), (174, 389205), (186, 364095), (243, 278690), (261, 259470), (270, 250821), (279, 242730), (290, 233523), (310, 218457), (405, 167214), (435, 155682), (465, 145638), (486, 139345), (522, 129735), (558, 121365), (783, 86490), (810, 83607), (837, 80910), (870, 77841), (899, 75330), (930, 72819), (961, 70470), (1215, 55738), (1305, 51894), (1395, 48546), (1566, 43245), (1674, 40455), (1798, 37665), (1922, 35235), (2349, 28830), (2430, 27869), (2511, 26970), (2610, 25947), (2697, 25110), (2790, 24273), (2883, 23490), (3915, 17298), (4185, 16182), (4495, 15066), (4698, 14415), (4805, 14094), (5022, 13485), (5394, 12555), (5766, 11745), (7047, 9610), (7533, 8990), (7830, 8649), (8091, 8370)]