2251080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 8136180

約数和(自身を除く): 5885100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 169, 180, 185, 195, 222, 234, 260, 296, 312, 333, 338, 360, 370, 390, 444, 468, 481, 507, 520, 555, 585, 666, 676, 740, 780, 845, 888, 936, 962, 1014, 1110, 1170, 1332, 1352, 1443, 1480, 1521, 1560, 1665, 1690, 1924, 2028, 2220, 2340, 2405, 2535, 2664, 2886, 3042, 3330, 3380, 3848, 4056, 4329, 4440, 4680, 4810, 5070, 5772, 6084, 6253, 6660, 6760, 7215, 7605, 8658, 9620, 10140, 11544, 12168, 12506, 13320, 14430, 15210, 17316, 18759, 19240, 20280, 21645, 25012, 28860, 30420, 31265, 34632, 37518, 43290, 50024, 56277, 57720, 60840, 62530, 75036, 86580, 93795, 112554, 125060, 150072, 173160, 187590, 225108, 250120, 281385, 375180, 450216, 562770, 750360, 1125540, 2251080]

約数ペア:

[(1, 2251080), (2, 1125540), (3, 750360), (4, 562770), (5, 450216), (6, 375180), (8, 281385), (9, 250120), (10, 225108), (12, 187590), (13, 173160), (15, 150072), (18, 125060), (20, 112554), (24, 93795), (26, 86580), (30, 75036), (36, 62530), (37, 60840), (39, 57720), (40, 56277), (45, 50024), (52, 43290), (60, 37518), (65, 34632), (72, 31265), (74, 30420), (78, 28860), (90, 25012), (104, 21645), (111, 20280), (117, 19240), (120, 18759), (130, 17316), (148, 15210), (156, 14430), (169, 13320), (180, 12506), (185, 12168), (195, 11544), (222, 10140), (234, 9620), (260, 8658), (296, 7605), (312, 7215), (333, 6760), (338, 6660), (360, 6253), (370, 6084), (390, 5772), (444, 5070), (468, 4810), (481, 4680), (507, 4440), (520, 4329), (555, 4056), (585, 3848), (666, 3380), (676, 3330), (740, 3042), (780, 2886), (845, 2664), (888, 2535), (936, 2405), (962, 2340), (1014, 2220), (1110, 2028), (1170, 1924), (1332, 1690), (1352, 1665), (1443, 1560), (1480, 1521)]