291278520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:710

約数の個数: 192

約数和(自身を含む): 1030629600

約数和(自身を除く): 739351080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 109, 117, 120, 130, 156, 180, 195, 218, 234, 260, 312, 327, 360, 390, 436, 468, 520, 545, 571, 585, 654, 780, 872, 936, 981, 1090, 1142, 1170, 1308, 1417, 1560, 1635, 1713, 1962, 2180, 2284, 2340, 2616, 2834, 2855, 3270, 3426, 3924, 4251, 4360, 4568, 4680, 4905, 5139, 5668, 5710, 6540, 6852, 7085, 7423, 7848, 8502, 8565, 9810, 10278, 11336, 11420, 12753, 13080, 13704, 14170, 14846, 17004, 17130, 19620, 20556, 21255, 22269, 22840, 25506, 25695, 28340, 29692, 34008, 34260, 37115, 39240, 41112, 42510, 44538, 51012, 51390, 56680, 59384, 62239, 63765, 66807, 68520, 74230, 85020, 89076, 102024, 102780, 111345, 124478, 127530, 133614, 148460, 170040, 178152, 186717, 205560, 222690, 248956, 255060, 267228, 296920, 311195, 334035, 373434, 445380, 497912, 510120, 534456, 560151, 622390, 668070, 746868, 809107, 890760, 933585, 1120302, 1244780, 1336140, 1493736, 1618214, 1867170, 2240604, 2427321, 2489560, 2672280, 2800755, 3236428, 3734340, 4045535, 4481208, 4854642, 5601510, 6472856, 7281963, 7468680, 8091070, 9709284, 11203020, 12136605, 14563926, 16182140, 19418568, 22406040, 24273210, 29127852, 32364280, 36409815, 48546420, 58255704, 72819630, 97092840, 145639260, 291278520]

約数ペア:

[(1, 291278520), (2, 145639260), (3, 97092840), (4, 72819630), (5, 58255704), (6, 48546420), (8, 36409815), (9, 32364280), (10, 29127852), (12, 24273210), (13, 22406040), (15, 19418568), (18, 16182140), (20, 14563926), (24, 12136605), (26, 11203020), (30, 9709284), (36, 8091070), (39, 7468680), (40, 7281963), (45, 6472856), (52, 5601510), (60, 4854642), (65, 4481208), (72, 4045535), (78, 3734340), (90, 3236428), (104, 2800755), (109, 2672280), (117, 2489560), (120, 2427321), (130, 2240604), (156, 1867170), (180, 1618214), (195, 1493736), (218, 1336140), (234, 1244780), (260, 1120302), (312, 933585), (327, 890760), (360, 809107), (390, 746868), (436, 668070), (468, 622390), (520, 560151), (545, 534456), (571, 510120), (585, 497912), (654, 445380), (780, 373434), (872, 334035), (936, 311195), (981, 296920), (1090, 267228), (1142, 255060), (1170, 248956), (1308, 222690), (1417, 205560), (1560, 186717), (1635, 178152), (1713, 170040), (1962, 148460), (2180, 133614), (2284, 127530), (2340, 124478), (2616, 111345), (2834, 102780), (2855, 102024), (3270, 89076), (3426, 85020), (3924, 74230), (4251, 68520), (4360, 66807), (4568, 63765), (4680, 62239), (4905, 59384), (5139, 56680), (5668, 51390), (5710, 51012), (6540, 44538), (6852, 42510), (7085, 41112), (7423, 39240), (7848, 37115), (8502, 34260), (8565, 34008), (9810, 29692), (10278, 28340), (11336, 25695), (11420, 25506), (12753, 22840), (13080, 22269), (13704, 21255), (14170, 20556), (14846, 19620), (17004, 17130)]