140149760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:939

約数の個数: 88

約数和(自身を含む): 347433216

約数和(自身を除く): 207283456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 883, 992, 1024, 1240, 1280, 1766, 1984, 2480, 2560, 3532, 3968, 4415, 4960, 5120, 7064, 7936, 8830, 9920, 14128, 15872, 17660, 19840, 27373, 28256, 31744, 35320, 39680, 54746, 56512, 70640, 79360, 109492, 113024, 136865, 141280, 158720, 218984, 226048, 273730, 282560, 437968, 452096, 547460, 565120, 875936, 904192, 1094920, 1130240, 1751872, 2189840, 2260480, 3503744, 4379680, 4520960, 7007488, 8759360, 14014976, 17518720, 28029952, 35037440, 70074880, 140149760]

約数ペア:

[(1, 140149760), (2, 70074880), (4, 35037440), (5, 28029952), (8, 17518720), (10, 14014976), (16, 8759360), (20, 7007488), (31, 4520960), (32, 4379680), (40, 3503744), (62, 2260480), (64, 2189840), (80, 1751872), (124, 1130240), (128, 1094920), (155, 904192), (160, 875936), (248, 565120), (256, 547460), (310, 452096), (320, 437968), (496, 282560), (512, 273730), (620, 226048), (640, 218984), (883, 158720), (992, 141280), (1024, 136865), (1240, 113024), (1280, 109492), (1766, 79360), (1984, 70640), (2480, 56512), (2560, 54746), (3532, 39680), (3968, 35320), (4415, 31744), (4960, 28256), (5120, 27373), (7064, 19840), (7936, 17660), (8830, 15872), (9920, 14128)]