168990640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 489968640

約数和(自身を除く): 320978000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 139, 140, 167, 182, 208, 260, 278, 280, 334, 364, 455, 520, 556, 560, 668, 695, 728, 835, 910, 973, 1040, 1112, 1169, 1336, 1390, 1456, 1670, 1807, 1820, 1946, 2171, 2224, 2338, 2672, 2780, 3340, 3614, 3640, 3892, 4342, 4676, 4865, 5560, 5845, 6680, 7228, 7280, 7784, 8684, 9035, 9352, 9730, 10855, 11120, 11690, 12649, 13360, 14456, 15197, 15568, 17368, 18070, 18704, 19460, 21710, 23213, 23380, 25298, 28912, 30394, 34736, 36140, 38920, 43420, 46426, 46760, 50596, 60788, 63245, 72280, 75985, 77840, 86840, 92852, 93520, 101192, 116065, 121576, 126490, 144560, 151970, 162491, 173680, 185704, 202384, 232130, 243152, 252980, 301769, 303940, 324982, 371408, 464260, 505960, 603538, 607880, 649964, 812455, 928520, 1011920, 1207076, 1215760, 1299928, 1508845, 1624910, 1857040, 2112383, 2414152, 2599856, 3017690, 3249820, 4224766, 4828304, 6035380, 6499640, 8449532, 10561915, 12070760, 12999280, 16899064, 21123830, 24141520, 33798128, 42247660, 84495320, 168990640]

約数ペア:

[(1, 168990640), (2, 84495320), (4, 42247660), (5, 33798128), (7, 24141520), (8, 21123830), (10, 16899064), (13, 12999280), (14, 12070760), (16, 10561915), (20, 8449532), (26, 6499640), (28, 6035380), (35, 4828304), (40, 4224766), (52, 3249820), (56, 3017690), (65, 2599856), (70, 2414152), (80, 2112383), (91, 1857040), (104, 1624910), (112, 1508845), (130, 1299928), (139, 1215760), (140, 1207076), (167, 1011920), (182, 928520), (208, 812455), (260, 649964), (278, 607880), (280, 603538), (334, 505960), (364, 464260), (455, 371408), (520, 324982), (556, 303940), (560, 301769), (668, 252980), (695, 243152), (728, 232130), (835, 202384), (910, 185704), (973, 173680), (1040, 162491), (1112, 151970), (1169, 144560), (1336, 126490), (1390, 121576), (1456, 116065), (1670, 101192), (1807, 93520), (1820, 92852), (1946, 86840), (2171, 77840), (2224, 75985), (2338, 72280), (2672, 63245), (2780, 60788), (3340, 50596), (3614, 46760), (3640, 46426), (3892, 43420), (4342, 38920), (4676, 36140), (4865, 34736), (5560, 30394), (5845, 28912), (6680, 25298), (7228, 23380), (7280, 23213), (7784, 21710), (8684, 19460), (9035, 18704), (9352, 18070), (9730, 17368), (10855, 15568), (11120, 15197), (11690, 14456), (12649, 13360)]