159359840

素因数分解:

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

素因数の和:173

約数の個数: 144

約数和(自身を含む): 414771840

約数和(自身を除く): 255412000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 89, 95, 124, 152, 155, 160, 178, 190, 248, 304, 310, 356, 361, 380, 445, 496, 589, 608, 620, 712, 722, 760, 890, 992, 1178, 1240, 1424, 1444, 1520, 1691, 1780, 1805, 2356, 2480, 2759, 2848, 2888, 2945, 3040, 3382, 3560, 3610, 4712, 4960, 5518, 5776, 5890, 6764, 7120, 7220, 8455, 9424, 11036, 11191, 11552, 11780, 13528, 13795, 14240, 14440, 16910, 18848, 22072, 22382, 23560, 27056, 27590, 28880, 32129, 33820, 44144, 44764, 47120, 52421, 54112, 55180, 55955, 57760, 64258, 67640, 88288, 89528, 94240, 104842, 110360, 111910, 128516, 135280, 160645, 179056, 209684, 220720, 223820, 257032, 262105, 270560, 321290, 358112, 419368, 441440, 447640, 514064, 524210, 642580, 838736, 895280, 995999, 1028128, 1048420, 1285160, 1677472, 1790560, 1991998, 2096840, 2570320, 3983996, 4193680, 4979995, 5140640, 7967992, 8387360, 9959990, 15935984, 19919980, 31871968, 39839960, 79679920, 159359840]

約数ペア:

[(1, 159359840), (2, 79679920), (4, 39839960), (5, 31871968), (8, 19919980), (10, 15935984), (16, 9959990), (19, 8387360), (20, 7967992), (31, 5140640), (32, 4979995), (38, 4193680), (40, 3983996), (62, 2570320), (76, 2096840), (80, 1991998), (89, 1790560), (95, 1677472), (124, 1285160), (152, 1048420), (155, 1028128), (160, 995999), (178, 895280), (190, 838736), (248, 642580), (304, 524210), (310, 514064), (356, 447640), (361, 441440), (380, 419368), (445, 358112), (496, 321290), (589, 270560), (608, 262105), (620, 257032), (712, 223820), (722, 220720), (760, 209684), (890, 179056), (992, 160645), (1178, 135280), (1240, 128516), (1424, 111910), (1444, 110360), (1520, 104842), (1691, 94240), (1780, 89528), (1805, 88288), (2356, 67640), (2480, 64258), (2759, 57760), (2848, 55955), (2888, 55180), (2945, 54112), (3040, 52421), (3382, 47120), (3560, 44764), (3610, 44144), (4712, 33820), (4960, 32129), (5518, 28880), (5776, 27590), (5890, 27056), (6764, 23560), (7120, 22382), (7220, 22072), (8455, 18848), (9424, 16910), (11036, 14440), (11191, 14240), (11552, 13795), (11780, 13528)]