201231540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4059

約数の個数: 120

約数和(自身を含む): 651796992

約数和(自身を除く): 450565452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4007, 4185, 5022, 5580, 8014, 8370, 10044, 12021, 12555, 16028, 16740, 20035, 24042, 25110, 36063, 40070, 48084, 50220, 60105, 72126, 80140, 108189, 120210, 124217, 144252, 180315, 216378, 240420, 248434, 324567, 360630, 372651, 432756, 496868, 540945, 621085, 649134, 721260, 745302, 1081890, 1117953, 1242170, 1298268, 1490604, 1622835, 1863255, 2163780, 2235906, 2484340, 3245670, 3353859, 3726510, 4471812, 5589765, 6491340, 6707718, 7453020, 10061577, 11179530, 13415436, 16769295, 20123154, 22359060, 33538590, 40246308, 50307885, 67077180, 100615770, 201231540]

約数ペア:

[(1, 201231540), (2, 100615770), (3, 67077180), (4, 50307885), (5, 40246308), (6, 33538590), (9, 22359060), (10, 20123154), (12, 16769295), (15, 13415436), (18, 11179530), (20, 10061577), (27, 7453020), (30, 6707718), (31, 6491340), (36, 5589765), (45, 4471812), (54, 3726510), (60, 3353859), (62, 3245670), (81, 2484340), (90, 2235906), (93, 2163780), (108, 1863255), (124, 1622835), (135, 1490604), (155, 1298268), (162, 1242170), (180, 1117953), (186, 1081890), (270, 745302), (279, 721260), (310, 649134), (324, 621085), (372, 540945), (405, 496868), (465, 432756), (540, 372651), (558, 360630), (620, 324567), (810, 248434), (837, 240420), (930, 216378), (1116, 180315), (1395, 144252), (1620, 124217), (1674, 120210), (1860, 108189), (2511, 80140), (2790, 72126), (3348, 60105), (4007, 50220), (4185, 48084), (5022, 40070), (5580, 36063), (8014, 25110), (8370, 24042), (10044, 20035), (12021, 16740), (12555, 16028)]