1345040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 80

約数和(自身を含む): 3535488

約数和(自身を除く): 2190448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 43, 46, 68, 80, 85, 86, 92, 115, 136, 170, 172, 184, 215, 230, 272, 340, 344, 368, 391, 430, 460, 680, 688, 731, 782, 860, 920, 989, 1360, 1462, 1564, 1720, 1840, 1955, 1978, 2924, 3128, 3440, 3655, 3910, 3956, 4945, 5848, 6256, 7310, 7820, 7912, 9890, 11696, 14620, 15640, 15824, 16813, 19780, 29240, 31280, 33626, 39560, 58480, 67252, 79120, 84065, 134504, 168130, 269008, 336260, 672520, 1345040]

約数ペア:

[(1, 1345040), (2, 672520), (4, 336260), (5, 269008), (8, 168130), (10, 134504), (16, 84065), (17, 79120), (20, 67252), (23, 58480), (34, 39560), (40, 33626), (43, 31280), (46, 29240), (68, 19780), (80, 16813), (85, 15824), (86, 15640), (92, 14620), (115, 11696), (136, 9890), (170, 7912), (172, 7820), (184, 7310), (215, 6256), (230, 5848), (272, 4945), (340, 3956), (344, 3910), (368, 3655), (391, 3440), (430, 3128), (460, 2924), (680, 1978), (688, 1955), (731, 1840), (782, 1720), (860, 1564), (920, 1462), (989, 1360)]