157870720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 436233600

約数和(自身を除く): 278362880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 262, 269, 280, 320, 448, 524, 538, 560, 640, 655, 896, 917, 1048, 1076, 1120, 1310, 1345, 1834, 1883, 2096, 2152, 2240, 2620, 2690, 3668, 3766, 4192, 4304, 4480, 4585, 5240, 5380, 7336, 7532, 8384, 8608, 9170, 9415, 10480, 10760, 14672, 15064, 16768, 17216, 18340, 18830, 20960, 21520, 29344, 30128, 34432, 35239, 36680, 37660, 41920, 43040, 58688, 60256, 70478, 73360, 75320, 83840, 86080, 117376, 120512, 140956, 146720, 150640, 172160, 176195, 241024, 246673, 281912, 293440, 301280, 352390, 493346, 563824, 586880, 602560, 704780, 986692, 1127648, 1205120, 1233365, 1409560, 1973384, 2255296, 2466730, 2819120, 3946768, 4510592, 4933460, 5638240, 7893536, 9866920, 11276480, 15787072, 19733840, 22552960, 31574144, 39467680, 78935360, 157870720]

約数ペア:

[(1, 157870720), (2, 78935360), (4, 39467680), (5, 31574144), (7, 22552960), (8, 19733840), (10, 15787072), (14, 11276480), (16, 9866920), (20, 7893536), (28, 5638240), (32, 4933460), (35, 4510592), (40, 3946768), (56, 2819120), (64, 2466730), (70, 2255296), (80, 1973384), (112, 1409560), (128, 1233365), (131, 1205120), (140, 1127648), (160, 986692), (224, 704780), (262, 602560), (269, 586880), (280, 563824), (320, 493346), (448, 352390), (524, 301280), (538, 293440), (560, 281912), (640, 246673), (655, 241024), (896, 176195), (917, 172160), (1048, 150640), (1076, 146720), (1120, 140956), (1310, 120512), (1345, 117376), (1834, 86080), (1883, 83840), (2096, 75320), (2152, 73360), (2240, 70478), (2620, 60256), (2690, 58688), (3668, 43040), (3766, 41920), (4192, 37660), (4304, 36680), (4480, 35239), (4585, 34432), (5240, 30128), (5380, 29344), (7336, 21520), (7532, 20960), (8384, 18830), (8608, 18340), (9170, 17216), (9415, 16768), (10480, 15064), (10760, 14672)]