3981215920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7755

約数の個数: 160

約数和(自身を含む): 10973583360

約数和(自身を除く): 6992367440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 176, 190, 209, 220, 248, 304, 310, 341, 380, 418, 440, 496, 589, 620, 682, 760, 836, 880, 1045, 1178, 1240, 1364, 1520, 1672, 1705, 2090, 2356, 2480, 2728, 2945, 3344, 3410, 4180, 4712, 5456, 5890, 6479, 6820, 7681, 8360, 9424, 11780, 12958, 13640, 15362, 16720, 23560, 25916, 27280, 30724, 32395, 38405, 47120, 51832, 61448, 64790, 76810, 84491, 103664, 122896, 129580, 145939, 153620, 168982, 238111, 259160, 291878, 307240, 337964, 422455, 476222, 518320, 583756, 614480, 675928, 729695, 844910, 952444, 1167512, 1190555, 1351856, 1459390, 1605329, 1689820, 1904888, 2335024, 2381110, 2619221, 2918780, 3210658, 3379640, 3809776, 4524109, 4762220, 5238442, 5837560, 6421316, 6759280, 8026645, 9048218, 9524440, 10476884, 11675120, 12842632, 13096105, 16053290, 18096436, 19048880, 20953768, 22620545, 25685264, 26192210, 32106580, 36192872, 41907536, 45241090, 49765199, 52384420, 64213160, 72385744, 90482180, 99530398, 104768840, 128426320, 180964360, 199060796, 209537680, 248825995, 361928720, 398121592, 497651990, 796243184, 995303980, 1990607960, 3981215920]

約数ペア:

[(1, 3981215920), (2, 1990607960), (4, 995303980), (5, 796243184), (8, 497651990), (10, 398121592), (11, 361928720), (16, 248825995), (19, 209537680), (20, 199060796), (22, 180964360), (31, 128426320), (38, 104768840), (40, 99530398), (44, 90482180), (55, 72385744), (62, 64213160), (76, 52384420), (80, 49765199), (88, 45241090), (95, 41907536), (110, 36192872), (124, 32106580), (152, 26192210), (155, 25685264), (176, 22620545), (190, 20953768), (209, 19048880), (220, 18096436), (248, 16053290), (304, 13096105), (310, 12842632), (341, 11675120), (380, 10476884), (418, 9524440), (440, 9048218), (496, 8026645), (589, 6759280), (620, 6421316), (682, 5837560), (760, 5238442), (836, 4762220), (880, 4524109), (1045, 3809776), (1178, 3379640), (1240, 3210658), (1364, 2918780), (1520, 2619221), (1672, 2381110), (1705, 2335024), (2090, 1904888), (2356, 1689820), (2480, 1605329), (2728, 1459390), (2945, 1351856), (3344, 1190555), (3410, 1167512), (4180, 952444), (4712, 844910), (5456, 729695), (5890, 675928), (6479, 614480), (6820, 583756), (7681, 518320), (8360, 476222), (9424, 422455), (11780, 337964), (12958, 307240), (13640, 291878), (15362, 259160), (16720, 238111), (23560, 168982), (25916, 153620), (27280, 145939), (30724, 129580), (32395, 122896), (38405, 103664), (47120, 84491), (51832, 76810), (61448, 64790)]