155319920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 445685760

約数和(自身を除く): 290365840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 368, 389, 434, 460, 496, 560, 620, 644, 713, 778, 805, 868, 920, 1085, 1240, 1288, 1426, 1556, 1610, 1736, 1840, 1945, 2170, 2480, 2576, 2723, 2852, 3112, 3220, 3472, 3565, 3890, 4340, 4991, 5446, 5704, 6224, 6440, 7130, 7780, 8680, 8947, 9982, 10892, 11408, 12059, 12880, 13615, 14260, 15560, 17360, 17894, 19964, 21784, 24118, 24955, 27230, 28520, 31120, 35788, 39928, 43568, 44735, 48236, 49910, 54460, 57040, 60295, 62629, 71576, 79856, 84413, 89470, 96472, 99820, 108920, 120590, 125258, 143152, 168826, 178940, 192944, 199640, 217840, 241180, 250516, 277357, 313145, 337652, 357880, 399280, 422065, 482360, 501032, 554714, 626290, 675304, 715760, 844130, 964720, 1002064, 1109428, 1252580, 1350608, 1386785, 1688260, 1941499, 2218856, 2505160, 2773570, 3376520, 3882998, 4437712, 5010320, 5547140, 6753040, 7765996, 9707495, 11094280, 15531992, 19414990, 22188560, 31063984, 38829980, 77659960, 155319920]

約数ペア:

[(1, 155319920), (2, 77659960), (4, 38829980), (5, 31063984), (7, 22188560), (8, 19414990), (10, 15531992), (14, 11094280), (16, 9707495), (20, 7765996), (23, 6753040), (28, 5547140), (31, 5010320), (35, 4437712), (40, 3882998), (46, 3376520), (56, 2773570), (62, 2505160), (70, 2218856), (80, 1941499), (92, 1688260), (112, 1386785), (115, 1350608), (124, 1252580), (140, 1109428), (155, 1002064), (161, 964720), (184, 844130), (217, 715760), (230, 675304), (248, 626290), (280, 554714), (310, 501032), (322, 482360), (368, 422065), (389, 399280), (434, 357880), (460, 337652), (496, 313145), (560, 277357), (620, 250516), (644, 241180), (713, 217840), (778, 199640), (805, 192944), (868, 178940), (920, 168826), (1085, 143152), (1240, 125258), (1288, 120590), (1426, 108920), (1556, 99820), (1610, 96472), (1736, 89470), (1840, 84413), (1945, 79856), (2170, 71576), (2480, 62629), (2576, 60295), (2723, 57040), (2852, 54460), (3112, 49910), (3220, 48236), (3472, 44735), (3565, 43568), (3890, 39928), (4340, 35788), (4991, 31120), (5446, 28520), (5704, 27230), (6224, 24955), (6440, 24118), (7130, 21784), (7780, 19964), (8680, 17894), (8947, 17360), (9982, 15560), (10892, 14260), (11408, 13615), (12059, 12880)]