1378592320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19908

約数の個数: 112

約数和(自身を含む): 3872959488

約数和(自身を除く): 2494367168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 19853, 34720, 39706, 69440, 79412, 99265, 138971, 158824, 198530, 277942, 317648, 397060, 555884, 615443, 635296, 694855, 794120, 1111768, 1230886, 1270592, 1389710, 1588240, 2223536, 2461772, 2779420, 3077215, 3176480, 4308101, 4447072, 4923544, 5558840, 6154430, 6352960, 8616202, 8894144, 9847088, 11117680, 12308860, 17232404, 19694176, 21540505, 22235360, 24617720, 34464808, 39388352, 43081010, 44470720, 49235440, 68929616, 86162020, 98470880, 137859232, 172324040, 196941760, 275718464, 344648080, 689296160, 1378592320]

約数ペア:

[(1, 1378592320), (2, 689296160), (4, 344648080), (5, 275718464), (7, 196941760), (8, 172324040), (10, 137859232), (14, 98470880), (16, 86162020), (20, 68929616), (28, 49235440), (31, 44470720), (32, 43081010), (35, 39388352), (40, 34464808), (56, 24617720), (62, 22235360), (64, 21540505), (70, 19694176), (80, 17232404), (112, 12308860), (124, 11117680), (140, 9847088), (155, 8894144), (160, 8616202), (217, 6352960), (224, 6154430), (248, 5558840), (280, 4923544), (310, 4447072), (320, 4308101), (434, 3176480), (448, 3077215), (496, 2779420), (560, 2461772), (620, 2223536), (868, 1588240), (992, 1389710), (1085, 1270592), (1120, 1230886), (1240, 1111768), (1736, 794120), (1984, 694855), (2170, 635296), (2240, 615443), (2480, 555884), (3472, 397060), (4340, 317648), (4960, 277942), (6944, 198530), (8680, 158824), (9920, 138971), (13888, 99265), (17360, 79412), (19853, 69440), (34720, 39706)]