74863880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 210228480

約数和(自身を除く): 135364600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 131, 140, 157, 182, 260, 262, 280, 314, 364, 455, 520, 524, 628, 655, 728, 785, 910, 917, 1048, 1099, 1256, 1310, 1570, 1703, 1820, 1834, 2041, 2198, 2620, 3140, 3406, 3640, 3668, 4082, 4396, 4585, 5240, 5495, 6280, 6812, 7336, 8164, 8515, 8792, 9170, 10205, 10990, 11921, 13624, 14287, 16328, 17030, 18340, 20410, 20567, 21980, 23842, 28574, 34060, 36680, 40820, 41134, 43960, 47684, 57148, 59605, 68120, 71435, 81640, 82268, 95368, 102835, 114296, 119210, 142870, 143969, 164536, 205670, 238420, 267371, 285740, 287938, 411340, 476840, 534742, 571480, 575876, 719845, 822680, 1069484, 1151752, 1336855, 1439690, 1871597, 2138968, 2673710, 2879380, 3743194, 5347420, 5758760, 7486388, 9357985, 10694840, 14972776, 18715970, 37431940, 74863880]

約数ペア:

[(1, 74863880), (2, 37431940), (4, 18715970), (5, 14972776), (7, 10694840), (8, 9357985), (10, 7486388), (13, 5758760), (14, 5347420), (20, 3743194), (26, 2879380), (28, 2673710), (35, 2138968), (40, 1871597), (52, 1439690), (56, 1336855), (65, 1151752), (70, 1069484), (91, 822680), (104, 719845), (130, 575876), (131, 571480), (140, 534742), (157, 476840), (182, 411340), (260, 287938), (262, 285740), (280, 267371), (314, 238420), (364, 205670), (455, 164536), (520, 143969), (524, 142870), (628, 119210), (655, 114296), (728, 102835), (785, 95368), (910, 82268), (917, 81640), (1048, 71435), (1099, 68120), (1256, 59605), (1310, 57148), (1570, 47684), (1703, 43960), (1820, 41134), (1834, 40820), (2041, 36680), (2198, 34060), (2620, 28574), (3140, 23842), (3406, 21980), (3640, 20567), (3668, 20410), (4082, 18340), (4396, 17030), (4585, 16328), (5240, 14287), (5495, 13624), (6280, 11921), (6812, 10990), (7336, 10205), (8164, 9170), (8515, 8792)]