161938170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 457228800

約数和(自身を除く): 295290630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 89, 90, 115, 135, 138, 178, 207, 230, 267, 270, 293, 345, 414, 445, 534, 586, 621, 690, 801, 879, 890, 1035, 1242, 1335, 1465, 1602, 1758, 2047, 2070, 2403, 2637, 2670, 2930, 3105, 4005, 4094, 4395, 4806, 5274, 6141, 6210, 6739, 7911, 8010, 8790, 10235, 12015, 12282, 13185, 13478, 15822, 18423, 20217, 20470, 24030, 26077, 26370, 30705, 33695, 36846, 39555, 40434, 52154, 55269, 60651, 61410, 67390, 78231, 79110, 92115, 101085, 110538, 121302, 130385, 156462, 181953, 184230, 202170, 234693, 260770, 276345, 303255, 363906, 391155, 469386, 552690, 599771, 606510, 704079, 782310, 909765, 1173465, 1199542, 1408158, 1799313, 1819530, 2346930, 2998855, 3520395, 3598626, 5397939, 5997710, 7040790, 8996565, 10795878, 16193817, 17993130, 26989695, 32387634, 53979390, 80969085, 161938170]

約数ペア:

[(1, 161938170), (2, 80969085), (3, 53979390), (5, 32387634), (6, 26989695), (9, 17993130), (10, 16193817), (15, 10795878), (18, 8996565), (23, 7040790), (27, 5997710), (30, 5397939), (45, 3598626), (46, 3520395), (54, 2998855), (69, 2346930), (89, 1819530), (90, 1799313), (115, 1408158), (135, 1199542), (138, 1173465), (178, 909765), (207, 782310), (230, 704079), (267, 606510), (270, 599771), (293, 552690), (345, 469386), (414, 391155), (445, 363906), (534, 303255), (586, 276345), (621, 260770), (690, 234693), (801, 202170), (879, 184230), (890, 181953), (1035, 156462), (1242, 130385), (1335, 121302), (1465, 110538), (1602, 101085), (1758, 92115), (2047, 79110), (2070, 78231), (2403, 67390), (2637, 61410), (2670, 60651), (2930, 55269), (3105, 52154), (4005, 40434), (4094, 39555), (4395, 36846), (4806, 33695), (5274, 30705), (6141, 26370), (6210, 26077), (6739, 24030), (7911, 20470), (8010, 20217), (8790, 18423), (10235, 15822), (12015, 13478), (12282, 13185)]