311481180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 192

約数和(自身を含む): 1045094400

約数和(自身を除く): 733613220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 31, 36, 45, 46, 54, 60, 62, 69, 90, 92, 93, 108, 115, 124, 135, 138, 155, 180, 186, 207, 230, 270, 276, 279, 310, 345, 372, 414, 460, 465, 540, 558, 620, 621, 690, 713, 809, 828, 837, 930, 1035, 1116, 1242, 1380, 1395, 1426, 1618, 1674, 1860, 2070, 2139, 2427, 2484, 2790, 2852, 3105, 3236, 3348, 3565, 4045, 4140, 4185, 4278, 4854, 5580, 6210, 6417, 7130, 7281, 8090, 8370, 8556, 9708, 10695, 12135, 12420, 12834, 14260, 14562, 16180, 16740, 18607, 19251, 21390, 21843, 24270, 25079, 25668, 29124, 32085, 36405, 37214, 38502, 42780, 43686, 48540, 50158, 55821, 64170, 72810, 74428, 75237, 77004, 87372, 93035, 96255, 100316, 109215, 111642, 125395, 128340, 145620, 150474, 167463, 186070, 192510, 218430, 223284, 225711, 250790, 279105, 300948, 334926, 372140, 376185, 385020, 436860, 451422, 501580, 502389, 558210, 576817, 669852, 677133, 752370, 837315, 902844, 1004778, 1116420, 1128555, 1153634, 1354266, 1504740, 1674630, 1730451, 2009556, 2257110, 2307268, 2511945, 2708532, 2884085, 3349260, 3385665, 3460902, 4514220, 5023890, 5191353, 5768170, 6771330, 6921804, 8652255, 10047780, 10382706, 11536340, 13542660, 15574059, 17304510, 20765412, 25956765, 31148118, 34609020, 51913530, 62296236, 77870295, 103827060, 155740590, 311481180]

約数ペア:

[(1, 311481180), (2, 155740590), (3, 103827060), (4, 77870295), (5, 62296236), (6, 51913530), (9, 34609020), (10, 31148118), (12, 25956765), (15, 20765412), (18, 17304510), (20, 15574059), (23, 13542660), (27, 11536340), (30, 10382706), (31, 10047780), (36, 8652255), (45, 6921804), (46, 6771330), (54, 5768170), (60, 5191353), (62, 5023890), (69, 4514220), (90, 3460902), (92, 3385665), (93, 3349260), (108, 2884085), (115, 2708532), (124, 2511945), (135, 2307268), (138, 2257110), (155, 2009556), (180, 1730451), (186, 1674630), (207, 1504740), (230, 1354266), (270, 1153634), (276, 1128555), (279, 1116420), (310, 1004778), (345, 902844), (372, 837315), (414, 752370), (460, 677133), (465, 669852), (540, 576817), (558, 558210), (620, 502389), (621, 501580), (690, 451422), (713, 436860), (809, 385020), (828, 376185), (837, 372140), (930, 334926), (1035, 300948), (1116, 279105), (1242, 250790), (1380, 225711), (1395, 223284), (1426, 218430), (1618, 192510), (1674, 186070), (1860, 167463), (2070, 150474), (2139, 145620), (2427, 128340), (2484, 125395), (2790, 111642), (2852, 109215), (3105, 100316), (3236, 96255), (3348, 93035), (3565, 87372), (4045, 77004), (4140, 75237), (4185, 74428), (4278, 72810), (4854, 64170), (5580, 55821), (6210, 50158), (6417, 48540), (7130, 43686), (7281, 42780), (8090, 38502), (8370, 37214), (8556, 36405), (9708, 32085), (10695, 29124), (12135, 25668), (12420, 25079), (12834, 24270), (14260, 21843), (14562, 21390), (16180, 19251), (16740, 18607)]