64347720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31543}}^1$

素因数の和:31574

約数の個数: 64

約数和(自身を含む): 204405120

約数和(自身を除く): 140057400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 31543, 63086, 94629, 126172, 157715, 189258, 252344, 315430, 378516, 473145, 536231, 630860, 757032, 946290, 1072462, 1261720, 1608693, 1892580, 2144924, 2681155, 3217386, 3785160, 4289848, 5362310, 6434772, 8043465, 10724620, 12869544, 16086930, 21449240, 32173860, 64347720]

約数ペア:

[(1, 64347720), (2, 32173860), (3, 21449240), (4, 16086930), (5, 12869544), (6, 10724620), (8, 8043465), (10, 6434772), (12, 5362310), (15, 4289848), (17, 3785160), (20, 3217386), (24, 2681155), (30, 2144924), (34, 1892580), (40, 1608693), (51, 1261720), (60, 1072462), (68, 946290), (85, 757032), (102, 630860), (120, 536231), (136, 473145), (170, 378516), (204, 315430), (255, 252344), (340, 189258), (408, 157715), (510, 126172), (680, 94629), (1020, 63086), (2040, 31543)]