70909860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 234420480

約数和(自身を除く): 163510620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 271, 294, 356, 420, 445, 490, 534, 542, 588, 623, 735, 813, 890, 980, 1068, 1084, 1246, 1335, 1355, 1470, 1626, 1780, 1869, 1897, 2492, 2670, 2710, 2940, 3115, 3252, 3738, 3794, 4065, 4361, 5340, 5420, 5691, 6230, 7476, 7588, 8130, 8722, 9345, 9485, 11382, 12460, 13083, 13279, 16260, 17444, 18690, 18970, 21805, 22764, 24119, 26166, 26558, 28455, 37380, 37940, 39837, 43610, 48238, 52332, 53116, 56910, 65415, 66395, 72357, 79674, 87220, 96476, 113820, 120595, 130830, 132790, 144714, 159348, 168833, 199185, 241190, 261660, 265580, 289428, 337666, 361785, 398370, 482380, 506499, 675332, 723570, 796740, 844165, 1012998, 1181831, 1447140, 1688330, 2025996, 2363662, 2532495, 3376660, 3545493, 4727324, 5064990, 5909155, 7090986, 10129980, 11818310, 14181972, 17727465, 23636620, 35454930, 70909860]

約数ペア:

[(1, 70909860), (2, 35454930), (3, 23636620), (4, 17727465), (5, 14181972), (6, 11818310), (7, 10129980), (10, 7090986), (12, 5909155), (14, 5064990), (15, 4727324), (20, 3545493), (21, 3376660), (28, 2532495), (30, 2363662), (35, 2025996), (42, 1688330), (49, 1447140), (60, 1181831), (70, 1012998), (84, 844165), (89, 796740), (98, 723570), (105, 675332), (140, 506499), (147, 482380), (178, 398370), (196, 361785), (210, 337666), (245, 289428), (267, 265580), (271, 261660), (294, 241190), (356, 199185), (420, 168833), (445, 159348), (490, 144714), (534, 132790), (542, 130830), (588, 120595), (623, 113820), (735, 96476), (813, 87220), (890, 79674), (980, 72357), (1068, 66395), (1084, 65415), (1246, 56910), (1335, 53116), (1355, 52332), (1470, 48238), (1626, 43610), (1780, 39837), (1869, 37940), (1897, 37380), (2492, 28455), (2670, 26558), (2710, 26166), (2940, 24119), (3115, 22764), (3252, 21805), (3738, 18970), (3794, 18690), (4065, 17444), (4361, 16260), (5340, 13279), (5420, 13083), (5691, 12460), (6230, 11382), (7476, 9485), (7588, 9345), (8130, 8722)]