156975155840

素因数分解:

$2^7\times 5^1\times {\mathrm{7691}}^1\times {\mathrm{31891}}^1$

素因数の和:39601

約数の個数: 64

約数和(自身を含む): 375329293920

約数和(自身を除く): 218354138080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 7691, 15382, 30764, 31891, 38455, 61528, 63782, 76910, 123056, 127564, 153820, 159455, 246112, 255128, 307640, 318910, 492224, 510256, 615280, 637820, 984448, 1020512, 1230560, 1275640, 2041024, 2461120, 2551280, 4082048, 4922240, 5102560, 10205120, 20410240, 245273681, 490547362, 981094724, 1226368405, 1962189448, 2452736810, 3924378896, 4905473620, 7848757792, 9810947240, 15697515584, 19621894480, 31395031168, 39243788960, 78487577920, 156975155840]

約数ペア:

[(1, 156975155840), (2, 78487577920), (4, 39243788960), (5, 31395031168), (8, 19621894480), (10, 15697515584), (16, 9810947240), (20, 7848757792), (32, 4905473620), (40, 3924378896), (64, 2452736810), (80, 1962189448), (128, 1226368405), (160, 981094724), (320, 490547362), (640, 245273681), (7691, 20410240), (15382, 10205120), (30764, 5102560), (31891, 4922240), (38455, 4082048), (61528, 2551280), (63782, 2461120), (76910, 2041024), (123056, 1275640), (127564, 1230560), (153820, 1020512), (159455, 984448), (246112, 637820), (255128, 615280), (307640, 510256), (318910, 492224)]