1960980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 6894720

約数和(自身を除く): 4933740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 29, 30, 35, 42, 46, 49, 58, 60, 69, 70, 84, 87, 92, 98, 105, 115, 116, 138, 140, 145, 147, 161, 174, 196, 203, 210, 230, 245, 276, 290, 294, 322, 345, 348, 406, 420, 435, 460, 483, 490, 580, 588, 609, 644, 667, 690, 735, 805, 812, 870, 966, 980, 1015, 1127, 1218, 1334, 1380, 1421, 1470, 1610, 1740, 1932, 2001, 2030, 2254, 2415, 2436, 2668, 2842, 2940, 3045, 3220, 3335, 3381, 4002, 4060, 4263, 4508, 4669, 4830, 5635, 5684, 6090, 6670, 6762, 7105, 8004, 8526, 9338, 9660, 10005, 11270, 12180, 13340, 13524, 14007, 14210, 16905, 17052, 18676, 20010, 21315, 22540, 23345, 28014, 28420, 32683, 33810, 40020, 42630, 46690, 56028, 65366, 67620, 70035, 85260, 93380, 98049, 130732, 140070, 163415, 196098, 280140, 326830, 392196, 490245, 653660, 980490, 1960980]

約数ペア:

[(1, 1960980), (2, 980490), (3, 653660), (4, 490245), (5, 392196), (6, 326830), (7, 280140), (10, 196098), (12, 163415), (14, 140070), (15, 130732), (20, 98049), (21, 93380), (23, 85260), (28, 70035), (29, 67620), (30, 65366), (35, 56028), (42, 46690), (46, 42630), (49, 40020), (58, 33810), (60, 32683), (69, 28420), (70, 28014), (84, 23345), (87, 22540), (92, 21315), (98, 20010), (105, 18676), (115, 17052), (116, 16905), (138, 14210), (140, 14007), (145, 13524), (147, 13340), (161, 12180), (174, 11270), (196, 10005), (203, 9660), (210, 9338), (230, 8526), (245, 8004), (276, 7105), (290, 6762), (294, 6670), (322, 6090), (345, 5684), (348, 5635), (406, 4830), (420, 4669), (435, 4508), (460, 4263), (483, 4060), (490, 4002), (580, 3381), (588, 3335), (609, 3220), (644, 3045), (667, 2940), (690, 2842), (735, 2668), (805, 2436), (812, 2415), (870, 2254), (966, 2030), (980, 2001), (1015, 1932), (1127, 1740), (1218, 1610), (1334, 1470), (1380, 1421)]