15931720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3347}}^1$

素因数の和:3382

約数の個数: 64

約数和(自身を含む): 43390080

約数和(自身を除く): 27458360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3347, 4760, 6694, 13388, 16735, 23429, 26776, 33470, 46858, 56899, 66940, 93716, 113798, 117145, 133880, 187432, 227596, 234290, 284495, 398293, 455192, 468580, 568990, 796586, 937160, 1137980, 1593172, 1991465, 2275960, 3186344, 3982930, 7965860, 15931720]

約数ペア:

[(1, 15931720), (2, 7965860), (4, 3982930), (5, 3186344), (7, 2275960), (8, 1991465), (10, 1593172), (14, 1137980), (17, 937160), (20, 796586), (28, 568990), (34, 468580), (35, 455192), (40, 398293), (56, 284495), (68, 234290), (70, 227596), (85, 187432), (119, 133880), (136, 117145), (140, 113798), (170, 93716), (238, 66940), (280, 56899), (340, 46858), (476, 33470), (595, 26776), (680, 23429), (952, 16735), (1190, 13388), (2380, 6694), (3347, 4760)]