161938400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:733

約数の個数: 144

約数和(自身を含む): 444909024

約数和(自身を除く): 282970624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 160, 184, 200, 208, 230, 260, 299, 325, 368, 400, 416, 460, 520, 575, 598, 650, 677, 736, 800, 920, 1040, 1150, 1196, 1300, 1354, 1495, 1840, 2080, 2300, 2392, 2600, 2708, 2990, 3385, 3680, 4600, 4784, 5200, 5416, 5980, 6770, 7475, 8801, 9200, 9568, 10400, 10832, 11960, 13540, 14950, 15571, 16925, 17602, 18400, 21664, 23920, 27080, 29900, 31142, 33850, 35204, 44005, 47840, 54160, 59800, 62284, 67700, 70408, 77855, 88010, 108320, 119600, 124568, 135400, 140816, 155710, 176020, 202423, 220025, 239200, 249136, 270800, 281632, 311420, 352040, 389275, 404846, 440050, 498272, 541600, 622840, 704080, 778550, 809692, 880100, 1012115, 1245680, 1408160, 1557100, 1619384, 1760200, 2024230, 2491360, 3114200, 3238768, 3520400, 4048460, 5060575, 6228400, 6477536, 7040800, 8096920, 10121150, 12456800, 16193840, 20242300, 32387680, 40484600, 80969200, 161938400]

約数ペア:

[(1, 161938400), (2, 80969200), (4, 40484600), (5, 32387680), (8, 20242300), (10, 16193840), (13, 12456800), (16, 10121150), (20, 8096920), (23, 7040800), (25, 6477536), (26, 6228400), (32, 5060575), (40, 4048460), (46, 3520400), (50, 3238768), (52, 3114200), (65, 2491360), (80, 2024230), (92, 1760200), (100, 1619384), (104, 1557100), (115, 1408160), (130, 1245680), (160, 1012115), (184, 880100), (200, 809692), (208, 778550), (230, 704080), (260, 622840), (299, 541600), (325, 498272), (368, 440050), (400, 404846), (416, 389275), (460, 352040), (520, 311420), (575, 281632), (598, 270800), (650, 249136), (677, 239200), (736, 220025), (800, 202423), (920, 176020), (1040, 155710), (1150, 140816), (1196, 135400), (1300, 124568), (1354, 119600), (1495, 108320), (1840, 88010), (2080, 77855), (2300, 70408), (2392, 67700), (2600, 62284), (2708, 59800), (2990, 54160), (3385, 47840), (3680, 44005), (4600, 35204), (4784, 33850), (5200, 31142), (5416, 29900), (5980, 27080), (6770, 23920), (7475, 21664), (8801, 18400), (9200, 17602), (9568, 16925), (10400, 15571), (10832, 14950), (11960, 13540)]