31918424720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{3319}}^1$

素因数の和:4673

約数の個数: 160

約数和(自身を含む): 91432481280

約数和(自身を除く): 59514056560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1321, 1456, 1820, 2642, 3319, 3640, 5284, 6605, 6638, 7280, 9247, 10568, 13210, 13276, 16595, 17173, 18494, 21136, 23233, 26420, 26552, 33190, 34346, 36988, 43147, 46235, 46466, 52840, 53104, 66380, 68692, 73976, 85865, 86294, 92470, 92932, 105680, 116165, 120211, 132760, 137384, 147952, 171730, 172588, 184940, 185864, 215735, 232330, 240422, 265520, 274768, 302029, 343460, 345176, 369880, 371728, 431470, 464660, 480844, 601055, 604058, 686920, 690352, 739760, 862940, 929320, 961688, 1202110, 1208116, 1373840, 1510145, 1725880, 1858640, 1923376, 2404220, 2416232, 3020290, 3451760, 4384399, 4808440, 4832464, 6040580, 8768798, 9616880, 12081160, 17537596, 21921995, 24162320, 30690793, 35075192, 43843990, 56997187, 61381586, 70150384, 87687980, 113994374, 122763172, 153453965, 175375960, 227988748, 245526344, 284985935, 306907930, 350751920, 398980309, 455977496, 491052688, 569971870, 613815860, 797960618, 911954992, 1139943740, 1227631720, 1595921236, 1994901545, 2279887480, 2455263440, 3191842472, 3989803090, 4559774960, 6383684944, 7979606180, 15959212360, 31918424720]

約数ペア:

[(1, 31918424720), (2, 15959212360), (4, 7979606180), (5, 6383684944), (7, 4559774960), (8, 3989803090), (10, 3191842472), (13, 2455263440), (14, 2279887480), (16, 1994901545), (20, 1595921236), (26, 1227631720), (28, 1139943740), (35, 911954992), (40, 797960618), (52, 613815860), (56, 569971870), (65, 491052688), (70, 455977496), (80, 398980309), (91, 350751920), (104, 306907930), (112, 284985935), (130, 245526344), (140, 227988748), (182, 175375960), (208, 153453965), (260, 122763172), (280, 113994374), (364, 87687980), (455, 70150384), (520, 61381586), (560, 56997187), (728, 43843990), (910, 35075192), (1040, 30690793), (1321, 24162320), (1456, 21921995), (1820, 17537596), (2642, 12081160), (3319, 9616880), (3640, 8768798), (5284, 6040580), (6605, 4832464), (6638, 4808440), (7280, 4384399), (9247, 3451760), (10568, 3020290), (13210, 2416232), (13276, 2404220), (16595, 1923376), (17173, 1858640), (18494, 1725880), (21136, 1510145), (23233, 1373840), (26420, 1208116), (26552, 1202110), (33190, 961688), (34346, 929320), (36988, 862940), (43147, 739760), (46235, 690352), (46466, 686920), (52840, 604058), (53104, 601055), (66380, 480844), (68692, 464660), (73976, 431470), (85865, 371728), (86294, 369880), (92470, 345176), (92932, 343460), (105680, 302029), (116165, 274768), (120211, 265520), (132760, 240422), (137384, 232330), (147952, 215735), (171730, 185864), (172588, 184940)]