1820910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 128

約数和(自身を含む): 5806080

約数和(自身を除く): 3985170

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 26, 29, 30, 35, 39, 42, 46, 58, 65, 69, 70, 78, 87, 91, 105, 115, 130, 138, 145, 161, 174, 182, 195, 203, 210, 230, 273, 290, 299, 322, 345, 377, 390, 406, 435, 455, 483, 546, 598, 609, 667, 690, 754, 805, 870, 897, 910, 966, 1015, 1131, 1218, 1334, 1365, 1495, 1610, 1794, 1885, 2001, 2030, 2093, 2262, 2415, 2639, 2730, 2990, 3045, 3335, 3770, 4002, 4186, 4485, 4669, 4830, 5278, 5655, 6090, 6279, 6670, 7917, 8671, 8970, 9338, 10005, 10465, 11310, 12558, 13195, 14007, 15834, 17342, 20010, 20930, 23345, 26013, 26390, 28014, 31395, 39585, 43355, 46690, 52026, 60697, 62790, 70035, 79170, 86710, 121394, 130065, 140070, 182091, 260130, 303485, 364182, 606970, 910455, 1820910]

約数ペア:

[(1, 1820910), (2, 910455), (3, 606970), (5, 364182), (6, 303485), (7, 260130), (10, 182091), (13, 140070), (14, 130065), (15, 121394), (21, 86710), (23, 79170), (26, 70035), (29, 62790), (30, 60697), (35, 52026), (39, 46690), (42, 43355), (46, 39585), (58, 31395), (65, 28014), (69, 26390), (70, 26013), (78, 23345), (87, 20930), (91, 20010), (105, 17342), (115, 15834), (130, 14007), (138, 13195), (145, 12558), (161, 11310), (174, 10465), (182, 10005), (195, 9338), (203, 8970), (210, 8671), (230, 7917), (273, 6670), (290, 6279), (299, 6090), (322, 5655), (345, 5278), (377, 4830), (390, 4669), (406, 4485), (435, 4186), (455, 4002), (483, 3770), (546, 3335), (598, 3045), (609, 2990), (667, 2730), (690, 2639), (754, 2415), (805, 2262), (870, 2093), (897, 2030), (910, 2001), (966, 1885), (1015, 1794), (1131, 1610), (1218, 1495), (1334, 1365)]