161753940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 518918400

約数和(自身を除く): 357164460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 89, 90, 92, 115, 138, 178, 180, 207, 230, 267, 276, 345, 356, 414, 439, 445, 460, 534, 690, 801, 828, 878, 890, 1035, 1068, 1317, 1335, 1380, 1602, 1756, 1780, 2047, 2070, 2195, 2634, 2670, 3204, 3951, 4005, 4094, 4140, 4390, 5268, 5340, 6141, 6585, 7902, 8010, 8188, 8780, 10097, 10235, 12282, 13170, 15804, 16020, 18423, 19755, 20194, 20470, 24564, 26340, 30291, 30705, 36846, 39071, 39510, 40388, 40940, 50485, 60582, 61410, 73692, 78142, 79020, 90873, 92115, 100970, 117213, 121164, 122820, 151455, 156284, 181746, 184230, 195355, 201940, 234426, 302910, 351639, 363492, 368460, 390710, 454365, 468852, 586065, 605820, 703278, 781420, 898633, 908730, 1172130, 1406556, 1758195, 1797266, 1817460, 2344260, 2695899, 3516390, 3594532, 4493165, 5391798, 7032780, 8087697, 8986330, 10783596, 13479495, 16175394, 17972660, 26958990, 32350788, 40438485, 53917980, 80876970, 161753940]

約数ペア:

[(1, 161753940), (2, 80876970), (3, 53917980), (4, 40438485), (5, 32350788), (6, 26958990), (9, 17972660), (10, 16175394), (12, 13479495), (15, 10783596), (18, 8986330), (20, 8087697), (23, 7032780), (30, 5391798), (36, 4493165), (45, 3594532), (46, 3516390), (60, 2695899), (69, 2344260), (89, 1817460), (90, 1797266), (92, 1758195), (115, 1406556), (138, 1172130), (178, 908730), (180, 898633), (207, 781420), (230, 703278), (267, 605820), (276, 586065), (345, 468852), (356, 454365), (414, 390710), (439, 368460), (445, 363492), (460, 351639), (534, 302910), (690, 234426), (801, 201940), (828, 195355), (878, 184230), (890, 181746), (1035, 156284), (1068, 151455), (1317, 122820), (1335, 121164), (1380, 117213), (1602, 100970), (1756, 92115), (1780, 90873), (2047, 79020), (2070, 78142), (2195, 73692), (2634, 61410), (2670, 60582), (3204, 50485), (3951, 40940), (4005, 40388), (4094, 39510), (4140, 39071), (4390, 36846), (5268, 30705), (5340, 30291), (6141, 26340), (6585, 24564), (7902, 20470), (8010, 20194), (8188, 19755), (8780, 18423), (10097, 16020), (10235, 15804), (12282, 13170)]