123713560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 311040000

約数和(自身を除く): 187326440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 59, 62, 76, 89, 95, 118, 124, 152, 155, 178, 190, 236, 248, 295, 310, 356, 380, 445, 472, 589, 590, 620, 712, 760, 890, 1121, 1178, 1180, 1240, 1691, 1780, 1829, 2242, 2356, 2360, 2759, 2945, 3382, 3560, 3658, 4484, 4712, 5251, 5518, 5605, 5890, 6764, 7316, 8455, 8968, 9145, 10502, 11036, 11210, 11780, 13528, 13795, 14632, 16910, 18290, 21004, 22072, 22420, 23560, 26255, 27590, 33820, 34751, 36580, 42008, 44840, 52421, 52510, 55180, 67640, 69502, 73160, 99769, 104842, 105020, 110360, 139004, 162781, 173755, 199538, 209684, 210040, 262105, 278008, 325562, 347510, 399076, 419368, 498845, 524210, 651124, 695020, 798152, 813905, 997690, 1048420, 1302248, 1390040, 1627810, 1995380, 2096840, 3092839, 3255620, 3990760, 6185678, 6511240, 12371356, 15464195, 24742712, 30928390, 61856780, 123713560]

約数ペア:

[(1, 123713560), (2, 61856780), (4, 30928390), (5, 24742712), (8, 15464195), (10, 12371356), (19, 6511240), (20, 6185678), (31, 3990760), (38, 3255620), (40, 3092839), (59, 2096840), (62, 1995380), (76, 1627810), (89, 1390040), (95, 1302248), (118, 1048420), (124, 997690), (152, 813905), (155, 798152), (178, 695020), (190, 651124), (236, 524210), (248, 498845), (295, 419368), (310, 399076), (356, 347510), (380, 325562), (445, 278008), (472, 262105), (589, 210040), (590, 209684), (620, 199538), (712, 173755), (760, 162781), (890, 139004), (1121, 110360), (1178, 105020), (1180, 104842), (1240, 99769), (1691, 73160), (1780, 69502), (1829, 67640), (2242, 55180), (2356, 52510), (2360, 52421), (2759, 44840), (2945, 42008), (3382, 36580), (3560, 34751), (3658, 33820), (4484, 27590), (4712, 26255), (5251, 23560), (5518, 22420), (5605, 22072), (5890, 21004), (6764, 18290), (7316, 16910), (8455, 14632), (8968, 13795), (9145, 13528), (10502, 11780), (11036, 11210)]