64982240

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 160030080

約数和(自身を除く): 95047840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 79, 80, 97, 106, 158, 160, 194, 212, 265, 316, 388, 395, 424, 485, 530, 632, 776, 790, 848, 970, 1060, 1264, 1552, 1580, 1696, 1940, 2120, 2528, 3104, 3160, 3880, 4187, 4240, 5141, 6320, 7663, 7760, 8374, 8480, 10282, 12640, 15326, 15520, 16748, 20564, 20935, 25705, 30652, 33496, 38315, 41128, 41870, 51410, 61304, 66992, 76630, 82256, 83740, 102820, 122608, 133984, 153260, 164512, 167480, 205640, 245216, 306520, 334960, 406139, 411280, 613040, 669920, 812278, 822560, 1226080, 1624556, 2030695, 3249112, 4061390, 6498224, 8122780, 12996448, 16245560, 32491120, 64982240]

約数ペア:

[(1, 64982240), (2, 32491120), (4, 16245560), (5, 12996448), (8, 8122780), (10, 6498224), (16, 4061390), (20, 3249112), (32, 2030695), (40, 1624556), (53, 1226080), (79, 822560), (80, 812278), (97, 669920), (106, 613040), (158, 411280), (160, 406139), (194, 334960), (212, 306520), (265, 245216), (316, 205640), (388, 167480), (395, 164512), (424, 153260), (485, 133984), (530, 122608), (632, 102820), (776, 83740), (790, 82256), (848, 76630), (970, 66992), (1060, 61304), (1264, 51410), (1552, 41870), (1580, 41128), (1696, 38315), (1940, 33496), (2120, 30652), (2528, 25705), (3104, 20935), (3160, 20564), (3880, 16748), (4187, 15520), (4240, 15326), (5141, 12640), (6320, 10282), (7663, 8480), (7760, 8374)]