1551278560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2309}}^1$

素因数の和:2373

約数の個数: 192

約数和(自身を含む): 4400827200

約数和(自身を除く): 2849548640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 32, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 160, 170, 190, 208, 221, 247, 260, 272, 304, 323, 340, 380, 416, 442, 494, 520, 544, 608, 646, 680, 760, 884, 988, 1040, 1105, 1235, 1292, 1360, 1520, 1615, 1768, 1976, 2080, 2210, 2309, 2470, 2584, 2720, 3040, 3230, 3536, 3952, 4199, 4420, 4618, 4940, 5168, 6460, 7072, 7904, 8398, 8840, 9236, 9880, 10336, 11545, 12920, 16796, 17680, 18472, 19760, 20995, 23090, 25840, 30017, 33592, 35360, 36944, 39253, 39520, 41990, 43871, 46180, 51680, 60034, 67184, 73888, 78506, 83980, 87742, 92360, 120068, 134368, 150085, 157012, 167960, 175484, 184720, 196265, 219355, 240136, 300170, 314024, 335920, 350968, 369440, 392530, 438710, 480272, 510289, 570323, 600340, 628048, 671840, 701936, 745807, 785060, 877420, 960544, 1020578, 1140646, 1200680, 1256096, 1403872, 1491614, 1570120, 1754840, 2041156, 2281292, 2401360, 2551445, 2851615, 2983228, 3140240, 3509680, 3729035, 4082312, 4562584, 4802720, 5102890, 5703230, 5966456, 6280480, 7019360, 7458070, 8164624, 9125168, 9695491, 10205780, 11406460, 11932912, 14916140, 16329248, 18250336, 19390982, 20411560, 22812920, 23865824, 29832280, 38781964, 40823120, 45625840, 48477455, 59664560, 77563928, 81646240, 91251680, 96954910, 119329120, 155127856, 193909820, 310255712, 387819640, 775639280, 1551278560]

約数ペア:

[(1, 1551278560), (2, 775639280), (4, 387819640), (5, 310255712), (8, 193909820), (10, 155127856), (13, 119329120), (16, 96954910), (17, 91251680), (19, 81646240), (20, 77563928), (26, 59664560), (32, 48477455), (34, 45625840), (38, 40823120), (40, 38781964), (52, 29832280), (65, 23865824), (68, 22812920), (76, 20411560), (80, 19390982), (85, 18250336), (95, 16329248), (104, 14916140), (130, 11932912), (136, 11406460), (152, 10205780), (160, 9695491), (170, 9125168), (190, 8164624), (208, 7458070), (221, 7019360), (247, 6280480), (260, 5966456), (272, 5703230), (304, 5102890), (323, 4802720), (340, 4562584), (380, 4082312), (416, 3729035), (442, 3509680), (494, 3140240), (520, 2983228), (544, 2851615), (608, 2551445), (646, 2401360), (680, 2281292), (760, 2041156), (884, 1754840), (988, 1570120), (1040, 1491614), (1105, 1403872), (1235, 1256096), (1292, 1200680), (1360, 1140646), (1520, 1020578), (1615, 960544), (1768, 877420), (1976, 785060), (2080, 745807), (2210, 701936), (2309, 671840), (2470, 628048), (2584, 600340), (2720, 570323), (3040, 510289), (3230, 480272), (3536, 438710), (3952, 392530), (4199, 369440), (4420, 350968), (4618, 335920), (4940, 314024), (5168, 300170), (6460, 240136), (7072, 219355), (7904, 196265), (8398, 184720), (8840, 175484), (9236, 167960), (9880, 157012), (10336, 150085), (11545, 134368), (12920, 120068), (16796, 92360), (17680, 87742), (18472, 83980), (19760, 78506), (20995, 73888), (23090, 67184), (25840, 60034), (30017, 51680), (33592, 46180), (35360, 43871), (36944, 41990), (39253, 39520)]