311795160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 967680000

約数和(自身を除く): 655884840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 127, 164, 205, 246, 254, 328, 381, 410, 492, 499, 508, 615, 635, 762, 820, 984, 998, 1016, 1230, 1270, 1497, 1524, 1640, 1905, 1996, 2460, 2495, 2540, 2994, 3048, 3810, 3992, 4920, 4990, 5080, 5207, 5988, 7485, 7620, 9980, 10414, 11976, 14970, 15240, 15621, 19960, 20459, 20828, 26035, 29940, 31242, 40918, 41656, 52070, 59880, 61377, 62484, 63373, 78105, 81836, 102295, 104140, 122754, 124968, 126746, 156210, 163672, 190119, 204590, 208280, 245508, 253492, 306885, 312420, 316865, 380238, 409180, 491016, 506984, 613770, 624840, 633730, 760476, 818360, 950595, 1227540, 1267460, 1520952, 1901190, 2455080, 2534920, 2598293, 3802380, 5196586, 7604760, 7794879, 10393172, 12991465, 15589758, 20786344, 25982930, 31179516, 38974395, 51965860, 62359032, 77948790, 103931720, 155897580, 311795160]

約数ペア:

[(1, 311795160), (2, 155897580), (3, 103931720), (4, 77948790), (5, 62359032), (6, 51965860), (8, 38974395), (10, 31179516), (12, 25982930), (15, 20786344), (20, 15589758), (24, 12991465), (30, 10393172), (40, 7794879), (41, 7604760), (60, 5196586), (82, 3802380), (120, 2598293), (123, 2534920), (127, 2455080), (164, 1901190), (205, 1520952), (246, 1267460), (254, 1227540), (328, 950595), (381, 818360), (410, 760476), (492, 633730), (499, 624840), (508, 613770), (615, 506984), (635, 491016), (762, 409180), (820, 380238), (984, 316865), (998, 312420), (1016, 306885), (1230, 253492), (1270, 245508), (1497, 208280), (1524, 204590), (1640, 190119), (1905, 163672), (1996, 156210), (2460, 126746), (2495, 124968), (2540, 122754), (2994, 104140), (3048, 102295), (3810, 81836), (3992, 78105), (4920, 63373), (4990, 62484), (5080, 61377), (5207, 59880), (5988, 52070), (7485, 41656), (7620, 40918), (9980, 31242), (10414, 29940), (11976, 26035), (14970, 20828), (15240, 20459), (15621, 19960)]