64765240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 166561920

約数和(自身を除く): 101796680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 41, 46, 68, 82, 85, 92, 101, 115, 136, 164, 170, 184, 202, 205, 230, 328, 340, 391, 404, 410, 460, 505, 680, 697, 782, 808, 820, 920, 943, 1010, 1394, 1564, 1640, 1717, 1886, 1955, 2020, 2323, 2788, 3128, 3434, 3485, 3772, 3910, 4040, 4141, 4646, 4715, 5576, 6868, 6970, 7544, 7820, 8282, 8585, 9292, 9430, 11615, 13736, 13940, 15640, 16031, 16564, 17170, 18584, 18860, 20705, 23230, 27880, 32062, 33128, 34340, 37720, 39491, 41410, 46460, 64124, 68680, 70397, 78982, 80155, 82820, 92920, 95243, 128248, 140794, 157964, 160310, 165640, 190486, 197455, 281588, 315928, 320620, 351985, 380972, 394910, 476215, 563176, 641240, 703970, 761944, 789820, 952430, 1407940, 1579640, 1619131, 1904860, 2815880, 3238262, 3809720, 6476524, 8095655, 12953048, 16191310, 32382620, 64765240]

約数ペア:

[(1, 64765240), (2, 32382620), (4, 16191310), (5, 12953048), (8, 8095655), (10, 6476524), (17, 3809720), (20, 3238262), (23, 2815880), (34, 1904860), (40, 1619131), (41, 1579640), (46, 1407940), (68, 952430), (82, 789820), (85, 761944), (92, 703970), (101, 641240), (115, 563176), (136, 476215), (164, 394910), (170, 380972), (184, 351985), (202, 320620), (205, 315928), (230, 281588), (328, 197455), (340, 190486), (391, 165640), (404, 160310), (410, 157964), (460, 140794), (505, 128248), (680, 95243), (697, 92920), (782, 82820), (808, 80155), (820, 78982), (920, 70397), (943, 68680), (1010, 64124), (1394, 46460), (1564, 41410), (1640, 39491), (1717, 37720), (1886, 34340), (1955, 33128), (2020, 32062), (2323, 27880), (2788, 23230), (3128, 20705), (3434, 18860), (3485, 18584), (3772, 17170), (3910, 16564), (4040, 16031), (4141, 15640), (4646, 13940), (4715, 13736), (5576, 11615), (6868, 9430), (6970, 9292), (7544, 8585), (7820, 8282)]