64556820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 210908880

約数和(自身を除く): 146352060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 73, 85, 90, 102, 146, 153, 170, 180, 204, 219, 255, 289, 292, 306, 340, 365, 438, 510, 578, 612, 657, 730, 765, 867, 876, 1020, 1095, 1156, 1241, 1314, 1445, 1460, 1530, 1734, 2190, 2482, 2601, 2628, 2890, 3060, 3285, 3468, 3723, 4335, 4380, 4913, 4964, 5202, 5780, 6205, 6570, 7446, 8670, 9826, 10404, 11169, 12410, 13005, 13140, 14739, 14892, 17340, 18615, 19652, 21097, 22338, 24565, 24820, 26010, 29478, 37230, 42194, 44217, 44676, 49130, 52020, 55845, 58956, 63291, 73695, 74460, 84388, 88434, 98260, 105485, 111690, 126582, 147390, 176868, 189873, 210970, 221085, 223380, 253164, 294780, 316455, 358649, 379746, 421940, 442170, 632910, 717298, 759492, 884340, 949365, 1075947, 1265820, 1434596, 1793245, 1898730, 2151894, 3227841, 3586490, 3797460, 4303788, 5379735, 6455682, 7172980, 10759470, 12911364, 16139205, 21518940, 32278410, 64556820]

約数ペア:

[(1, 64556820), (2, 32278410), (3, 21518940), (4, 16139205), (5, 12911364), (6, 10759470), (9, 7172980), (10, 6455682), (12, 5379735), (15, 4303788), (17, 3797460), (18, 3586490), (20, 3227841), (30, 2151894), (34, 1898730), (36, 1793245), (45, 1434596), (51, 1265820), (60, 1075947), (68, 949365), (73, 884340), (85, 759492), (90, 717298), (102, 632910), (146, 442170), (153, 421940), (170, 379746), (180, 358649), (204, 316455), (219, 294780), (255, 253164), (289, 223380), (292, 221085), (306, 210970), (340, 189873), (365, 176868), (438, 147390), (510, 126582), (578, 111690), (612, 105485), (657, 98260), (730, 88434), (765, 84388), (867, 74460), (876, 73695), (1020, 63291), (1095, 58956), (1156, 55845), (1241, 52020), (1314, 49130), (1445, 44676), (1460, 44217), (1530, 42194), (1734, 37230), (2190, 29478), (2482, 26010), (2601, 24820), (2628, 24565), (2890, 22338), (3060, 21097), (3285, 19652), (3468, 18615), (3723, 17340), (4335, 14892), (4380, 14739), (4913, 13140), (4964, 13005), (5202, 12410), (5780, 11169), (6205, 10404), (6570, 9826), (7446, 8670)]