18390060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 43984980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 271, 290, 348, 377, 390, 435, 468, 522, 542, 580, 585, 754, 780, 813, 870, 1044, 1084, 1131, 1170, 1305, 1355, 1508, 1626, 1740, 1885, 2262, 2340, 2439, 2610, 2710, 3252, 3393, 3523, 3770, 4065, 4524, 4878, 5220, 5420, 5655, 6786, 7046, 7540, 7859, 8130, 9756, 10569, 11310, 12195, 13572, 14092, 15718, 16260, 16965, 17615, 21138, 22620, 23577, 24390, 31436, 31707, 33930, 35230, 39295, 42276, 47154, 48780, 52845, 63414, 67860, 70460, 70731, 78590, 94308, 102167, 105690, 117885, 126828, 141462, 157180, 158535, 204334, 211380, 235770, 282924, 306501, 317070, 353655, 408668, 471540, 510835, 613002, 634140, 707310, 919503, 1021670, 1226004, 1414620, 1532505, 1839006, 2043340, 3065010, 3678012, 4597515, 6130020, 9195030, 18390060]

約数ペア:

[(1, 18390060), (2, 9195030), (3, 6130020), (4, 4597515), (5, 3678012), (6, 3065010), (9, 2043340), (10, 1839006), (12, 1532505), (13, 1414620), (15, 1226004), (18, 1021670), (20, 919503), (26, 707310), (29, 634140), (30, 613002), (36, 510835), (39, 471540), (45, 408668), (52, 353655), (58, 317070), (60, 306501), (65, 282924), (78, 235770), (87, 211380), (90, 204334), (116, 158535), (117, 157180), (130, 141462), (145, 126828), (156, 117885), (174, 105690), (180, 102167), (195, 94308), (234, 78590), (260, 70731), (261, 70460), (271, 67860), (290, 63414), (348, 52845), (377, 48780), (390, 47154), (435, 42276), (468, 39295), (522, 35230), (542, 33930), (580, 31707), (585, 31436), (754, 24390), (780, 23577), (813, 22620), (870, 21138), (1044, 17615), (1084, 16965), (1131, 16260), (1170, 15718), (1305, 14092), (1355, 13572), (1508, 12195), (1626, 11310), (1740, 10569), (1885, 9756), (2262, 8130), (2340, 7859), (2439, 7540), (2610, 7046), (2710, 6786), (3252, 5655), (3393, 5420), (3523, 5220), (3770, 4878), (4065, 4524)]