245941020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1812

約数の個数: 144

約数和(自身を含む): 817051872

約数和(自身を除く): 571110852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 468, 549, 585, 610, 732, 780, 793, 915, 1098, 1170, 1220, 1586, 1723, 1830, 2196, 2340, 2379, 2745, 3172, 3446, 3660, 3965, 4758, 5169, 5490, 6892, 7137, 7930, 8615, 9516, 10338, 10980, 11895, 14274, 15507, 15860, 17230, 20676, 22399, 23790, 25845, 28548, 31014, 34460, 35685, 44798, 47580, 51690, 62028, 67197, 71370, 77535, 89596, 103380, 105103, 111995, 134394, 142740, 155070, 201591, 210206, 223990, 268788, 310140, 315309, 335985, 403182, 420412, 447980, 525515, 630618, 671970, 806364, 945927, 1007955, 1051030, 1261236, 1343940, 1366339, 1576545, 1891854, 2015910, 2102060, 2732678, 3153090, 3783708, 4031820, 4099017, 4729635, 5465356, 6306180, 6831695, 8198034, 9459270, 12297051, 13663390, 16396068, 18918540, 20495085, 24594102, 27326780, 40990170, 49188204, 61485255, 81980340, 122970510, 245941020]

約数ペア:

[(1, 245941020), (2, 122970510), (3, 81980340), (4, 61485255), (5, 49188204), (6, 40990170), (9, 27326780), (10, 24594102), (12, 20495085), (13, 18918540), (15, 16396068), (18, 13663390), (20, 12297051), (26, 9459270), (30, 8198034), (36, 6831695), (39, 6306180), (45, 5465356), (52, 4729635), (60, 4099017), (61, 4031820), (65, 3783708), (78, 3153090), (90, 2732678), (117, 2102060), (122, 2015910), (130, 1891854), (156, 1576545), (180, 1366339), (183, 1343940), (195, 1261236), (234, 1051030), (244, 1007955), (260, 945927), (305, 806364), (366, 671970), (390, 630618), (468, 525515), (549, 447980), (585, 420412), (610, 403182), (732, 335985), (780, 315309), (793, 310140), (915, 268788), (1098, 223990), (1170, 210206), (1220, 201591), (1586, 155070), (1723, 142740), (1830, 134394), (2196, 111995), (2340, 105103), (2379, 103380), (2745, 89596), (3172, 77535), (3446, 71370), (3660, 67197), (3965, 62028), (4758, 51690), (5169, 47580), (5490, 44798), (6892, 35685), (7137, 34460), (7930, 31014), (8615, 28548), (9516, 25845), (10338, 23790), (10980, 22399), (11895, 20676), (14274, 17230), (15507, 15860)]