252012640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 675637200

約数和(自身を除く): 423624560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 149, 155, 160, 176, 220, 248, 298, 310, 341, 352, 440, 496, 596, 620, 682, 745, 880, 961, 992, 1192, 1240, 1364, 1490, 1639, 1705, 1760, 1922, 2384, 2480, 2728, 2980, 3278, 3410, 3844, 4619, 4768, 4805, 4960, 5456, 5960, 6556, 6820, 7688, 8195, 9238, 9610, 10571, 10912, 11920, 13112, 13640, 15376, 16390, 18476, 19220, 21142, 23095, 23840, 26224, 27280, 30752, 32780, 36952, 38440, 42284, 46190, 50809, 52448, 52855, 54560, 65560, 73904, 76880, 84568, 92380, 101618, 105710, 131120, 143189, 147808, 153760, 169136, 184760, 203236, 211420, 254045, 262240, 286378, 338272, 369520, 406472, 422840, 508090, 572756, 715945, 739040, 812944, 845680, 1016180, 1145512, 1431890, 1575079, 1625888, 1691360, 2032360, 2291024, 2863780, 3150158, 4064720, 4582048, 5727560, 6300316, 7875395, 8129440, 11455120, 12600632, 15750790, 22910240, 25201264, 31501580, 50402528, 63003160, 126006320, 252012640]

約数ペア:

[(1, 252012640), (2, 126006320), (4, 63003160), (5, 50402528), (8, 31501580), (10, 25201264), (11, 22910240), (16, 15750790), (20, 12600632), (22, 11455120), (31, 8129440), (32, 7875395), (40, 6300316), (44, 5727560), (55, 4582048), (62, 4064720), (80, 3150158), (88, 2863780), (110, 2291024), (124, 2032360), (149, 1691360), (155, 1625888), (160, 1575079), (176, 1431890), (220, 1145512), (248, 1016180), (298, 845680), (310, 812944), (341, 739040), (352, 715945), (440, 572756), (496, 508090), (596, 422840), (620, 406472), (682, 369520), (745, 338272), (880, 286378), (961, 262240), (992, 254045), (1192, 211420), (1240, 203236), (1364, 184760), (1490, 169136), (1639, 153760), (1705, 147808), (1760, 143189), (1922, 131120), (2384, 105710), (2480, 101618), (2728, 92380), (2980, 84568), (3278, 76880), (3410, 73904), (3844, 65560), (4619, 54560), (4768, 52855), (4805, 52448), (4960, 50809), (5456, 46190), (5960, 42284), (6556, 38440), (6820, 36952), (7688, 32780), (8195, 30752), (9238, 27280), (9610, 26224), (10571, 23840), (10912, 23095), (11920, 21142), (13112, 19220), (13640, 18476), (15376, 16390)]