42028728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 127872000

約数和(自身を除く): 85843272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 73, 84, 92, 138, 146, 149, 161, 168, 184, 219, 276, 292, 298, 322, 438, 447, 483, 511, 552, 584, 596, 644, 876, 894, 966, 1022, 1043, 1192, 1288, 1533, 1679, 1752, 1788, 1932, 2044, 2086, 3066, 3129, 3358, 3427, 3576, 3864, 4088, 4172, 5037, 6132, 6258, 6716, 6854, 8344, 10074, 10281, 10877, 11753, 12264, 12516, 13432, 13708, 20148, 20562, 21754, 23506, 23989, 25032, 27416, 32631, 35259, 40296, 41124, 43508, 47012, 47978, 65262, 70518, 71967, 76139, 82248, 87016, 94024, 95956, 130524, 141036, 143934, 152278, 191912, 228417, 250171, 261048, 282072, 287868, 304556, 456834, 500342, 575736, 609112, 750513, 913668, 1000684, 1501026, 1751197, 1827336, 2001368, 3002052, 3502394, 5253591, 6004104, 7004788, 10507182, 14009576, 21014364, 42028728]

約数ペア:

[(1, 42028728), (2, 21014364), (3, 14009576), (4, 10507182), (6, 7004788), (7, 6004104), (8, 5253591), (12, 3502394), (14, 3002052), (21, 2001368), (23, 1827336), (24, 1751197), (28, 1501026), (42, 1000684), (46, 913668), (56, 750513), (69, 609112), (73, 575736), (84, 500342), (92, 456834), (138, 304556), (146, 287868), (149, 282072), (161, 261048), (168, 250171), (184, 228417), (219, 191912), (276, 152278), (292, 143934), (298, 141036), (322, 130524), (438, 95956), (447, 94024), (483, 87016), (511, 82248), (552, 76139), (584, 71967), (596, 70518), (644, 65262), (876, 47978), (894, 47012), (966, 43508), (1022, 41124), (1043, 40296), (1192, 35259), (1288, 32631), (1533, 27416), (1679, 25032), (1752, 23989), (1788, 23506), (1932, 21754), (2044, 20562), (2086, 20148), (3066, 13708), (3129, 13432), (3358, 12516), (3427, 12264), (3576, 11753), (3864, 10877), (4088, 10281), (4172, 10074), (5037, 8344), (6132, 6854), (6258, 6716)]