865931080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1347

約数の個数: 128

約数和(自身を含む): 2362752000

約数和(自身を除く): 1496820920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 139, 140, 152, 190, 266, 278, 280, 380, 532, 556, 665, 695, 760, 973, 1064, 1112, 1171, 1330, 1390, 1946, 2342, 2641, 2660, 2780, 3892, 4684, 4865, 5282, 5320, 5560, 5855, 7784, 8197, 9368, 9730, 10564, 11710, 13205, 16394, 18487, 19460, 21128, 22249, 23420, 26410, 32788, 36974, 38920, 40985, 44498, 46840, 52820, 65576, 73948, 81970, 88996, 92435, 105640, 111245, 147896, 155743, 162769, 163940, 177992, 184870, 222490, 311486, 325538, 327880, 369740, 444980, 622972, 651076, 739480, 778715, 813845, 889960, 1139383, 1245944, 1302152, 1557430, 1627690, 2278766, 3092611, 3114860, 3255380, 4557532, 5696915, 6185222, 6229720, 6510760, 9115064, 11393830, 12370444, 15463055, 21648277, 22787660, 24740888, 30926110, 43296554, 45575320, 61852220, 86593108, 108241385, 123704440, 173186216, 216482770, 432965540, 865931080]

約数ペア:

[(1, 865931080), (2, 432965540), (4, 216482770), (5, 173186216), (7, 123704440), (8, 108241385), (10, 86593108), (14, 61852220), (19, 45575320), (20, 43296554), (28, 30926110), (35, 24740888), (38, 22787660), (40, 21648277), (56, 15463055), (70, 12370444), (76, 11393830), (95, 9115064), (133, 6510760), (139, 6229720), (140, 6185222), (152, 5696915), (190, 4557532), (266, 3255380), (278, 3114860), (280, 3092611), (380, 2278766), (532, 1627690), (556, 1557430), (665, 1302152), (695, 1245944), (760, 1139383), (973, 889960), (1064, 813845), (1112, 778715), (1171, 739480), (1330, 651076), (1390, 622972), (1946, 444980), (2342, 369740), (2641, 327880), (2660, 325538), (2780, 311486), (3892, 222490), (4684, 184870), (4865, 177992), (5282, 163940), (5320, 162769), (5560, 155743), (5855, 147896), (7784, 111245), (8197, 105640), (9368, 92435), (9730, 88996), (10564, 81970), (11710, 73948), (13205, 65576), (16394, 52820), (18487, 46840), (19460, 44498), (21128, 40985), (22249, 38920), (23420, 36974), (26410, 32788)]