405541320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2143}}^1$

素因数の和:2259

約数の個数: 128

約数和(自身を含む): 1296691200

約数和(自身を除く): 891149880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 114, 120, 152, 166, 190, 228, 249, 285, 332, 380, 415, 456, 498, 570, 664, 760, 830, 996, 1140, 1245, 1577, 1660, 1992, 2143, 2280, 2490, 3154, 3320, 4286, 4731, 4980, 6308, 6429, 7885, 8572, 9462, 9960, 10715, 12616, 12858, 15770, 17144, 18924, 21430, 23655, 25716, 31540, 32145, 37848, 40717, 42860, 47310, 51432, 63080, 64290, 81434, 85720, 94620, 122151, 128580, 162868, 177869, 189240, 203585, 244302, 257160, 325736, 355738, 407170, 488604, 533607, 610755, 711476, 814340, 889345, 977208, 1067214, 1221510, 1422952, 1628680, 1778690, 2134428, 2443020, 2668035, 3379511, 3557380, 4268856, 4886040, 5336070, 6759022, 7114760, 10138533, 10672140, 13518044, 16897555, 20277066, 21344280, 27036088, 33795110, 40554132, 50692665, 67590220, 81108264, 101385330, 135180440, 202770660, 405541320]

約数ペア:

[(1, 405541320), (2, 202770660), (3, 135180440), (4, 101385330), (5, 81108264), (6, 67590220), (8, 50692665), (10, 40554132), (12, 33795110), (15, 27036088), (19, 21344280), (20, 20277066), (24, 16897555), (30, 13518044), (38, 10672140), (40, 10138533), (57, 7114760), (60, 6759022), (76, 5336070), (83, 4886040), (95, 4268856), (114, 3557380), (120, 3379511), (152, 2668035), (166, 2443020), (190, 2134428), (228, 1778690), (249, 1628680), (285, 1422952), (332, 1221510), (380, 1067214), (415, 977208), (456, 889345), (498, 814340), (570, 711476), (664, 610755), (760, 533607), (830, 488604), (996, 407170), (1140, 355738), (1245, 325736), (1577, 257160), (1660, 244302), (1992, 203585), (2143, 189240), (2280, 177869), (2490, 162868), (3154, 128580), (3320, 122151), (4286, 94620), (4731, 85720), (4980, 81434), (6308, 64290), (6429, 63080), (7885, 51432), (8572, 47310), (9462, 42860), (9960, 40717), (10715, 37848), (12616, 32145), (12858, 31540), (15770, 25716), (17144, 23655), (18924, 21430)]