1878444680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1753}}^1$

素因数の和:1903

約数の個数: 128

約数和(自身を含む): 5001004800

約数和(自身を除く): 3122560120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 89, 140, 172, 178, 215, 280, 301, 344, 356, 430, 445, 602, 623, 712, 860, 890, 1204, 1246, 1505, 1720, 1753, 1780, 2408, 2492, 3010, 3115, 3506, 3560, 3827, 4984, 6020, 6230, 7012, 7654, 8765, 12040, 12271, 12460, 14024, 15308, 17530, 19135, 24542, 24920, 26789, 30616, 35060, 38270, 49084, 53578, 61355, 70120, 75379, 76540, 98168, 107156, 122710, 133945, 150758, 153080, 156017, 214312, 245420, 267890, 301516, 312034, 376895, 490840, 527653, 535780, 603032, 624068, 753790, 780085, 1055306, 1071560, 1092119, 1248136, 1507580, 1560170, 2110612, 2184238, 2638265, 3015160, 3120340, 4221224, 4368476, 5276530, 5460595, 6240680, 6708731, 8736952, 10553060, 10921190, 13417462, 21106120, 21842380, 26834924, 33543655, 43684760, 46961117, 53669848, 67087310, 93922234, 134174620, 187844468, 234805585, 268349240, 375688936, 469611170, 939222340, 1878444680]

約数ペア:

[(1, 1878444680), (2, 939222340), (4, 469611170), (5, 375688936), (7, 268349240), (8, 234805585), (10, 187844468), (14, 134174620), (20, 93922234), (28, 67087310), (35, 53669848), (40, 46961117), (43, 43684760), (56, 33543655), (70, 26834924), (86, 21842380), (89, 21106120), (140, 13417462), (172, 10921190), (178, 10553060), (215, 8736952), (280, 6708731), (301, 6240680), (344, 5460595), (356, 5276530), (430, 4368476), (445, 4221224), (602, 3120340), (623, 3015160), (712, 2638265), (860, 2184238), (890, 2110612), (1204, 1560170), (1246, 1507580), (1505, 1248136), (1720, 1092119), (1753, 1071560), (1780, 1055306), (2408, 780085), (2492, 753790), (3010, 624068), (3115, 603032), (3506, 535780), (3560, 527653), (3827, 490840), (4984, 376895), (6020, 312034), (6230, 301516), (7012, 267890), (7654, 245420), (8765, 214312), (12040, 156017), (12271, 153080), (12460, 150758), (14024, 133945), (15308, 122710), (17530, 107156), (19135, 98168), (24542, 76540), (24920, 75379), (26789, 70120), (30616, 61355), (35060, 53578), (38270, 49084)]