684700720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1395

約数の個数: 160

約数和(自身を含む): 1888450560

約数和(自身を除く): 1203749840

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, 1321, 1364, 1520, 1672, 1705, 2090, 2356, 2480, 2642, 2728, 2945, 3344, 3410, 4180, 4712, 5284, 5456, 5890, 6479, 6605, 6820, 8360, 9424, 10568, 11780, 12958, 13210, 13640, 14531, 16720, 21136, 23560, 25099, 25916, 26420, 27280, 29062, 32395, 40951, 47120, 50198, 51832, 52840, 58124, 64790, 72655, 81902, 100396, 103664, 105680, 116248, 125495, 129580, 145310, 163804, 200792, 204755, 232496, 250990, 259160, 276089, 290620, 327608, 401584, 409510, 450461, 501980, 518320, 552178, 581240, 655216, 778069, 819020, 900922, 1003960, 1104356, 1162480, 1380445, 1556138, 1638040, 1801844, 2007920, 2208712, 2252305, 2760890, 3112276, 3276080, 3603688, 3890345, 4417424, 4504610, 5521780, 6224552, 7207376, 7780690, 8558759, 9009220, 11043560, 12449104, 15561380, 17117518, 18018440, 22087120, 31122760, 34235036, 36036880, 42793795, 62245520, 68470072, 85587590, 136940144, 171175180, 342350360, 684700720]

約数ペア:

[(1, 684700720), (2, 342350360), (4, 171175180), (5, 136940144), (8, 85587590), (10, 68470072), (11, 62245520), (16, 42793795), (19, 36036880), (20, 34235036), (22, 31122760), (31, 22087120), (38, 18018440), (40, 17117518), (44, 15561380), (55, 12449104), (62, 11043560), (76, 9009220), (80, 8558759), (88, 7780690), (95, 7207376), (110, 6224552), (124, 5521780), (152, 4504610), (155, 4417424), (176, 3890345), (190, 3603688), (209, 3276080), (220, 3112276), (248, 2760890), (304, 2252305), (310, 2208712), (341, 2007920), (380, 1801844), (418, 1638040), (440, 1556138), (496, 1380445), (589, 1162480), (620, 1104356), (682, 1003960), (760, 900922), (836, 819020), (880, 778069), (1045, 655216), (1178, 581240), (1240, 552178), (1321, 518320), (1364, 501980), (1520, 450461), (1672, 409510), (1705, 401584), (2090, 327608), (2356, 290620), (2480, 276089), (2642, 259160), (2728, 250990), (2945, 232496), (3344, 204755), (3410, 200792), (4180, 163804), (4712, 145310), (5284, 129580), (5456, 125495), (5890, 116248), (6479, 105680), (6605, 103664), (6820, 100396), (8360, 81902), (9424, 72655), (10568, 64790), (11780, 58124), (12958, 52840), (13210, 51832), (13640, 50198), (14531, 47120), (16720, 40951), (21136, 32395), (23560, 29062), (25099, 27280), (25916, 26420)]