90199980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4317

約数の個数: 120

約数和(自身を含む): 304798032

約数和(自身を除く): 214598052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 4283, 5265, 7020, 8566, 10530, 12849, 17132, 21060, 21415, 25698, 38547, 42830, 51396, 55679, 64245, 77094, 85660, 111358, 115641, 128490, 154188, 167037, 192735, 222716, 231282, 256980, 278395, 334074, 346923, 385470, 462564, 501111, 556790, 578205, 668148, 693846, 770940, 835185, 1002222, 1113580, 1156410, 1387692, 1503333, 1670370, 1734615, 2004444, 2312820, 2505555, 3006666, 3340740, 3469230, 4509999, 5011110, 6013332, 6938460, 7516665, 9019998, 10022220, 15033330, 18039996, 22549995, 30066660, 45099990, 90199980]

約数ペア:

[(1, 90199980), (2, 45099990), (3, 30066660), (4, 22549995), (5, 18039996), (6, 15033330), (9, 10022220), (10, 9019998), (12, 7516665), (13, 6938460), (15, 6013332), (18, 5011110), (20, 4509999), (26, 3469230), (27, 3340740), (30, 3006666), (36, 2505555), (39, 2312820), (45, 2004444), (52, 1734615), (54, 1670370), (60, 1503333), (65, 1387692), (78, 1156410), (81, 1113580), (90, 1002222), (108, 835185), (117, 770940), (130, 693846), (135, 668148), (156, 578205), (162, 556790), (180, 501111), (195, 462564), (234, 385470), (260, 346923), (270, 334074), (324, 278395), (351, 256980), (390, 231282), (405, 222716), (468, 192735), (540, 167037), (585, 154188), (702, 128490), (780, 115641), (810, 111358), (1053, 85660), (1170, 77094), (1404, 64245), (1620, 55679), (1755, 51396), (2106, 42830), (2340, 38547), (3510, 25698), (4212, 21415), (4283, 21060), (5265, 17132), (7020, 12849), (8566, 10530)]