621465680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 240

約数和(自身を含む): 1741555200

約数和(自身を除く): 1120089520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 109, 110, 121, 124, 152, 155, 176, 190, 209, 218, 220, 242, 248, 304, 310, 341, 380, 418, 436, 440, 484, 496, 545, 589, 605, 620, 682, 760, 836, 872, 880, 968, 1045, 1090, 1178, 1199, 1210, 1240, 1364, 1520, 1672, 1705, 1744, 1936, 2071, 2090, 2180, 2299, 2356, 2398, 2420, 2480, 2728, 2945, 3344, 3379, 3410, 3751, 4142, 4180, 4360, 4598, 4712, 4796, 4840, 5456, 5890, 5995, 6479, 6758, 6820, 7502, 8284, 8360, 8720, 9196, 9424, 9592, 9680, 10355, 11495, 11780, 11990, 12958, 13189, 13516, 13640, 15004, 16568, 16720, 16895, 18392, 18755, 19184, 20710, 22781, 22990, 23560, 23980, 25916, 26378, 27032, 27280, 30008, 32395, 33136, 33790, 36784, 37169, 37510, 41420, 45562, 45980, 47120, 47960, 51832, 52756, 54064, 60016, 64201, 64790, 65945, 67580, 71269, 74338, 75020, 82840, 91124, 91960, 95920, 103664, 105512, 113905, 128402, 129580, 131890, 135160, 142538, 148676, 150040, 165680, 182248, 183920, 185845, 211024, 227810, 250591, 256804, 259160, 263780, 270320, 285076, 297352, 300080, 321005, 356345, 364496, 371690, 408859, 455620, 501182, 513608, 518320, 527560, 570152, 594704, 642010, 706211, 712690, 743380, 817718, 911240, 1002364, 1027216, 1055120, 1140304, 1252955, 1284020, 1412422, 1425380, 1486760, 1635436, 1822480, 2004728, 2044295, 2505910, 2568040, 2824844, 2850760, 2973520, 3270872, 3531055, 4009456, 4088590, 5011820, 5136080, 5649688, 5701520, 6541744, 7062110, 7768321, 8177180, 10023640, 11299376, 14124220, 15536642, 16354360, 20047280, 28248440, 31073284, 32708720, 38841605, 56496880, 62146568, 77683210, 124293136, 155366420, 310732840, 621465680]

約数ペア:

[(1, 621465680), (2, 310732840), (4, 155366420), (5, 124293136), (8, 77683210), (10, 62146568), (11, 56496880), (16, 38841605), (19, 32708720), (20, 31073284), (22, 28248440), (31, 20047280), (38, 16354360), (40, 15536642), (44, 14124220), (55, 11299376), (62, 10023640), (76, 8177180), (80, 7768321), (88, 7062110), (95, 6541744), (109, 5701520), (110, 5649688), (121, 5136080), (124, 5011820), (152, 4088590), (155, 4009456), (176, 3531055), (190, 3270872), (209, 2973520), (218, 2850760), (220, 2824844), (242, 2568040), (248, 2505910), (304, 2044295), (310, 2004728), (341, 1822480), (380, 1635436), (418, 1486760), (436, 1425380), (440, 1412422), (484, 1284020), (496, 1252955), (545, 1140304), (589, 1055120), (605, 1027216), (620, 1002364), (682, 911240), (760, 817718), (836, 743380), (872, 712690), (880, 706211), (968, 642010), (1045, 594704), (1090, 570152), (1178, 527560), (1199, 518320), (1210, 513608), (1240, 501182), (1364, 455620), (1520, 408859), (1672, 371690), (1705, 364496), (1744, 356345), (1936, 321005), (2071, 300080), (2090, 297352), (2180, 285076), (2299, 270320), (2356, 263780), (2398, 259160), (2420, 256804), (2480, 250591), (2728, 227810), (2945, 211024), (3344, 185845), (3379, 183920), (3410, 182248), (3751, 165680), (4142, 150040), (4180, 148676), (4360, 142538), (4598, 135160), (4712, 131890), (4796, 129580), (4840, 128402), (5456, 113905), (5890, 105512), (5995, 103664), (6479, 95920), (6758, 91960), (6820, 91124), (7502, 82840), (8284, 75020), (8360, 74338), (8720, 71269), (9196, 67580), (9424, 65945), (9592, 64790), (9680, 64201), (10355, 60016), (11495, 54064), (11780, 52756), (11990, 51832), (12958, 47960), (13189, 47120), (13516, 45980), (13640, 45562), (15004, 41420), (16568, 37510), (16720, 37169), (16895, 36784), (18392, 33790), (18755, 33136), (19184, 32395), (20710, 30008), (22781, 27280), (22990, 27032), (23560, 26378), (23980, 25916)]