129827640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2821

約数の個数: 128

約数和(自身を含む): 430479360

約数和(自身を除く): 300651720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 2767, 3128, 3910, 4692, 5534, 5865, 7820, 8301, 9384, 11068, 11730, 13835, 15640, 16602, 22136, 23460, 27670, 33204, 41505, 46920, 47039, 55340, 63641, 66408, 83010, 94078, 110680, 127282, 141117, 166020, 188156, 190923, 235195, 254564, 282234, 318205, 332040, 376312, 381846, 470390, 509128, 564468, 636410, 705585, 763692, 940780, 954615, 1081897, 1128936, 1272820, 1411170, 1527384, 1881560, 1909230, 2163794, 2545640, 2822340, 3245691, 3818460, 4327588, 5409485, 5644680, 6491382, 7636920, 8655176, 10818970, 12982764, 16228455, 21637940, 25965528, 32456910, 43275880, 64913820, 129827640]

約数ペア:

[(1, 129827640), (2, 64913820), (3, 43275880), (4, 32456910), (5, 25965528), (6, 21637940), (8, 16228455), (10, 12982764), (12, 10818970), (15, 8655176), (17, 7636920), (20, 6491382), (23, 5644680), (24, 5409485), (30, 4327588), (34, 3818460), (40, 3245691), (46, 2822340), (51, 2545640), (60, 2163794), (68, 1909230), (69, 1881560), (85, 1527384), (92, 1411170), (102, 1272820), (115, 1128936), (120, 1081897), (136, 954615), (138, 940780), (170, 763692), (184, 705585), (204, 636410), (230, 564468), (255, 509128), (276, 470390), (340, 381846), (345, 376312), (391, 332040), (408, 318205), (460, 282234), (510, 254564), (552, 235195), (680, 190923), (690, 188156), (782, 166020), (920, 141117), (1020, 127282), (1173, 110680), (1380, 94078), (1564, 83010), (1955, 66408), (2040, 63641), (2346, 55340), (2760, 47039), (2767, 46920), (3128, 41505), (3910, 33204), (4692, 27670), (5534, 23460), (5865, 22136), (7820, 16602), (8301, 15640), (9384, 13835), (11068, 11730)]