521190540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222731}}^1$

素因数の和:222759

約数の個数: 72

約数和(自身を含む): 1702563408

約数和(自身を除く): 1181372868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 222731, 445462, 668193, 890924, 1113655, 1336386, 2004579, 2227310, 2672772, 2895503, 3340965, 4009158, 4454620, 5791006, 6681930, 8018316, 8686509, 10022895, 11582012, 13363860, 14477515, 17373018, 20045790, 26059527, 28955030, 34746036, 40091580, 43432545, 52119054, 57910060, 86865090, 104238108, 130297635, 173730180, 260595270, 521190540]

約数ペア:

[(1, 521190540), (2, 260595270), (3, 173730180), (4, 130297635), (5, 104238108), (6, 86865090), (9, 57910060), (10, 52119054), (12, 43432545), (13, 40091580), (15, 34746036), (18, 28955030), (20, 26059527), (26, 20045790), (30, 17373018), (36, 14477515), (39, 13363860), (45, 11582012), (52, 10022895), (60, 8686509), (65, 8018316), (78, 6681930), (90, 5791006), (117, 4454620), (130, 4009158), (156, 3340965), (180, 2895503), (195, 2672772), (234, 2227310), (260, 2004579), (390, 1336386), (468, 1113655), (585, 890924), (780, 668193), (1170, 445462), (2340, 222731)]