2115540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 7757568

約数和(自身を除く): 5642028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 73, 84, 90, 92, 105, 115, 126, 138, 140, 146, 161, 180, 207, 210, 219, 230, 252, 276, 292, 315, 322, 345, 365, 414, 420, 438, 460, 483, 511, 630, 644, 657, 690, 730, 805, 828, 876, 966, 1022, 1035, 1095, 1260, 1314, 1380, 1449, 1460, 1533, 1610, 1679, 1932, 2044, 2070, 2190, 2415, 2555, 2628, 2898, 3066, 3220, 3285, 3358, 4140, 4380, 4599, 4830, 5037, 5110, 5796, 6132, 6570, 6716, 7245, 7665, 8395, 9198, 9660, 10074, 10220, 11753, 13140, 14490, 15111, 15330, 16790, 18396, 20148, 22995, 23506, 25185, 28980, 30222, 30660, 33580, 35259, 45990, 47012, 50370, 58765, 60444, 70518, 75555, 91980, 100740, 105777, 117530, 141036, 151110, 176295, 211554, 235060, 302220, 352590, 423108, 528885, 705180, 1057770, 2115540]

約数ペア:

[(1, 2115540), (2, 1057770), (3, 705180), (4, 528885), (5, 423108), (6, 352590), (7, 302220), (9, 235060), (10, 211554), (12, 176295), (14, 151110), (15, 141036), (18, 117530), (20, 105777), (21, 100740), (23, 91980), (28, 75555), (30, 70518), (35, 60444), (36, 58765), (42, 50370), (45, 47012), (46, 45990), (60, 35259), (63, 33580), (69, 30660), (70, 30222), (73, 28980), (84, 25185), (90, 23506), (92, 22995), (105, 20148), (115, 18396), (126, 16790), (138, 15330), (140, 15111), (146, 14490), (161, 13140), (180, 11753), (207, 10220), (210, 10074), (219, 9660), (230, 9198), (252, 8395), (276, 7665), (292, 7245), (315, 6716), (322, 6570), (345, 6132), (365, 5796), (414, 5110), (420, 5037), (438, 4830), (460, 4599), (483, 4380), (511, 4140), (630, 3358), (644, 3285), (657, 3220), (690, 3066), (730, 2898), (805, 2628), (828, 2555), (876, 2415), (966, 2190), (1022, 2070), (1035, 2044), (1095, 1932), (1260, 1679), (1314, 1610), (1380, 1533), (1449, 1460)]