1560780

素因数分解:

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

素因数の和:80

約数の個数: 144

約数和(自身を含む): 5503680

約数和(自身を除く): 3942900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 29, 30, 36, 39, 45, 46, 52, 58, 60, 65, 69, 78, 87, 90, 92, 115, 116, 117, 130, 138, 145, 156, 174, 180, 195, 207, 230, 234, 260, 261, 276, 290, 299, 345, 348, 377, 390, 414, 435, 460, 468, 522, 580, 585, 598, 667, 690, 754, 780, 828, 870, 897, 1035, 1044, 1131, 1170, 1196, 1305, 1334, 1380, 1495, 1508, 1740, 1794, 1885, 2001, 2070, 2262, 2340, 2610, 2668, 2691, 2990, 3335, 3393, 3588, 3770, 4002, 4140, 4485, 4524, 5220, 5382, 5655, 5980, 6003, 6670, 6786, 7540, 8004, 8671, 8970, 10005, 10764, 11310, 12006, 13340, 13455, 13572, 16965, 17342, 17940, 20010, 22620, 24012, 26013, 26910, 30015, 33930, 34684, 40020, 43355, 52026, 53820, 60030, 67860, 78039, 86710, 104052, 120060, 130065, 156078, 173420, 260130, 312156, 390195, 520260, 780390, 1560780]

約数ペア:

[(1, 1560780), (2, 780390), (3, 520260), (4, 390195), (5, 312156), (6, 260130), (9, 173420), (10, 156078), (12, 130065), (13, 120060), (15, 104052), (18, 86710), (20, 78039), (23, 67860), (26, 60030), (29, 53820), (30, 52026), (36, 43355), (39, 40020), (45, 34684), (46, 33930), (52, 30015), (58, 26910), (60, 26013), (65, 24012), (69, 22620), (78, 20010), (87, 17940), (90, 17342), (92, 16965), (115, 13572), (116, 13455), (117, 13340), (130, 12006), (138, 11310), (145, 10764), (156, 10005), (174, 8970), (180, 8671), (195, 8004), (207, 7540), (230, 6786), (234, 6670), (260, 6003), (261, 5980), (276, 5655), (290, 5382), (299, 5220), (345, 4524), (348, 4485), (377, 4140), (390, 4002), (414, 3770), (435, 3588), (460, 3393), (468, 3335), (522, 2990), (580, 2691), (585, 2668), (598, 2610), (667, 2340), (690, 2262), (754, 2070), (780, 2001), (828, 1885), (870, 1794), (897, 1740), (1035, 1508), (1044, 1495), (1131, 1380), (1170, 1334), (1196, 1305)]