81219060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 270138960

約数和(自身を除く): 188919900

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, 569, 585, 610, 732, 780, 793, 915, 1098, 1138, 1170, 1220, 1586, 1707, 1830, 2196, 2276, 2340, 2379, 2745, 2845, 3172, 3414, 3660, 3965, 4758, 5121, 5490, 5690, 6828, 7137, 7397, 7930, 8535, 9516, 10242, 10980, 11380, 11895, 14274, 14794, 15860, 17070, 20484, 22191, 23790, 25605, 28548, 29588, 34140, 34709, 35685, 36985, 44382, 47580, 51210, 66573, 69418, 71370, 73970, 88764, 102420, 104127, 110955, 133146, 138836, 142740, 147940, 173545, 208254, 221910, 266292, 312381, 332865, 347090, 416508, 443820, 451217, 520635, 624762, 665730, 694180, 902434, 1041270, 1249524, 1331460, 1353651, 1561905, 1804868, 2082540, 2256085, 2707302, 3123810, 4060953, 4512170, 5414604, 6247620, 6768255, 8121906, 9024340, 13536510, 16243812, 20304765, 27073020, 40609530, 81219060]

約数ペア:

[(1, 81219060), (2, 40609530), (3, 27073020), (4, 20304765), (5, 16243812), (6, 13536510), (9, 9024340), (10, 8121906), (12, 6768255), (13, 6247620), (15, 5414604), (18, 4512170), (20, 4060953), (26, 3123810), (30, 2707302), (36, 2256085), (39, 2082540), (45, 1804868), (52, 1561905), (60, 1353651), (61, 1331460), (65, 1249524), (78, 1041270), (90, 902434), (117, 694180), (122, 665730), (130, 624762), (156, 520635), (180, 451217), (183, 443820), (195, 416508), (234, 347090), (244, 332865), (260, 312381), (305, 266292), (366, 221910), (390, 208254), (468, 173545), (549, 147940), (569, 142740), (585, 138836), (610, 133146), (732, 110955), (780, 104127), (793, 102420), (915, 88764), (1098, 73970), (1138, 71370), (1170, 69418), (1220, 66573), (1586, 51210), (1707, 47580), (1830, 44382), (2196, 36985), (2276, 35685), (2340, 34709), (2379, 34140), (2745, 29588), (2845, 28548), (3172, 25605), (3414, 23790), (3660, 22191), (3965, 20484), (4758, 17070), (5121, 15860), (5490, 14794), (5690, 14274), (6828, 11895), (7137, 11380), (7397, 10980), (7930, 10242), (8535, 9516)]