61219928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 155520000

約数和(自身を除く): 94300072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 29, 44, 46, 56, 58, 77, 88, 92, 116, 149, 154, 161, 184, 203, 232, 253, 298, 308, 319, 322, 406, 506, 596, 616, 638, 644, 667, 812, 1012, 1043, 1192, 1276, 1288, 1334, 1624, 1639, 1771, 2024, 2086, 2233, 2552, 2668, 3278, 3427, 3542, 4172, 4321, 4466, 4669, 5336, 6556, 6854, 7084, 7337, 8344, 8642, 8932, 9338, 11473, 13112, 13708, 14168, 14674, 17284, 17864, 18676, 22946, 23989, 27416, 29348, 30247, 34568, 37352, 37697, 45892, 47531, 47978, 51359, 58696, 60494, 75394, 91784, 95062, 95956, 99383, 102718, 120988, 150788, 190124, 191912, 198766, 205436, 241976, 263879, 301576, 332717, 380248, 397532, 410872, 527758, 665434, 695681, 795064, 1055516, 1093213, 1330868, 1391362, 2111032, 2186426, 2661736, 2782724, 4372852, 5565448, 7652491, 8745704, 15304982, 30609964, 61219928]

約数ペア:

[(1, 61219928), (2, 30609964), (4, 15304982), (7, 8745704), (8, 7652491), (11, 5565448), (14, 4372852), (22, 2782724), (23, 2661736), (28, 2186426), (29, 2111032), (44, 1391362), (46, 1330868), (56, 1093213), (58, 1055516), (77, 795064), (88, 695681), (92, 665434), (116, 527758), (149, 410872), (154, 397532), (161, 380248), (184, 332717), (203, 301576), (232, 263879), (253, 241976), (298, 205436), (308, 198766), (319, 191912), (322, 190124), (406, 150788), (506, 120988), (596, 102718), (616, 99383), (638, 95956), (644, 95062), (667, 91784), (812, 75394), (1012, 60494), (1043, 58696), (1192, 51359), (1276, 47978), (1288, 47531), (1334, 45892), (1624, 37697), (1639, 37352), (1771, 34568), (2024, 30247), (2086, 29348), (2233, 27416), (2552, 23989), (2668, 22946), (3278, 18676), (3427, 17864), (3542, 17284), (4172, 14674), (4321, 14168), (4466, 13708), (4669, 13112), (5336, 11473), (6556, 9338), (6854, 8932), (7084, 8642), (7337, 8344)]