1642680

素因数分解:

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

素因数の和:52

約数の個数: 144

約数和(自身を含む): 5995080

約数和(自身を除く): 4352400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 169, 180, 195, 216, 234, 243, 260, 270, 312, 324, 338, 351, 360, 390, 405, 468, 486, 507, 520, 540, 585, 648, 676, 702, 780, 810, 845, 936, 972, 1014, 1053, 1080, 1170, 1215, 1352, 1404, 1521, 1560, 1620, 1690, 1755, 1944, 2028, 2106, 2340, 2430, 2535, 2808, 3042, 3159, 3240, 3380, 3510, 4056, 4212, 4563, 4680, 4860, 5070, 5265, 6084, 6318, 6760, 7020, 7605, 8424, 9126, 9720, 10140, 10530, 12168, 12636, 13689, 14040, 15210, 15795, 18252, 20280, 21060, 22815, 25272, 27378, 30420, 31590, 36504, 41067, 42120, 45630, 54756, 60840, 63180, 68445, 82134, 91260, 109512, 126360, 136890, 164268, 182520, 205335, 273780, 328536, 410670, 547560, 821340, 1642680]

約数ペア:

[(1, 1642680), (2, 821340), (3, 547560), (4, 410670), (5, 328536), (6, 273780), (8, 205335), (9, 182520), (10, 164268), (12, 136890), (13, 126360), (15, 109512), (18, 91260), (20, 82134), (24, 68445), (26, 63180), (27, 60840), (30, 54756), (36, 45630), (39, 42120), (40, 41067), (45, 36504), (52, 31590), (54, 30420), (60, 27378), (65, 25272), (72, 22815), (78, 21060), (81, 20280), (90, 18252), (104, 15795), (108, 15210), (117, 14040), (120, 13689), (130, 12636), (135, 12168), (156, 10530), (162, 10140), (169, 9720), (180, 9126), (195, 8424), (216, 7605), (234, 7020), (243, 6760), (260, 6318), (270, 6084), (312, 5265), (324, 5070), (338, 4860), (351, 4680), (360, 4563), (390, 4212), (405, 4056), (468, 3510), (486, 3380), (507, 3240), (520, 3159), (540, 3042), (585, 2808), (648, 2535), (676, 2430), (702, 2340), (780, 2106), (810, 2028), (845, 1944), (936, 1755), (972, 1690), (1014, 1620), (1053, 1560), (1080, 1521), (1170, 1404), (1215, 1352)]