19005605120

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{187951}}^1$

素因数の和:188051

約数の個数: 72

約数和(自身を含む): 46100866560

約数和(自身を除く): 27095261440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1580, 2528, 3160, 5056, 6320, 10112, 12640, 20224, 25280, 50560, 101120, 187951, 375902, 751804, 939755, 1503608, 1879510, 3007216, 3759020, 6014432, 7518040, 12028864, 14848129, 15036080, 24057728, 29696258, 30072160, 48115456, 59392516, 60144320, 74240645, 118785032, 120288640, 148481290, 237570064, 240577280, 296962580, 475140128, 593925160, 950280256, 1187850320, 1900560512, 2375700640, 3801121024, 4751401280, 9502802560, 19005605120]

約数ペア:

[(1, 19005605120), (2, 9502802560), (4, 4751401280), (5, 3801121024), (8, 2375700640), (10, 1900560512), (16, 1187850320), (20, 950280256), (32, 593925160), (40, 475140128), (64, 296962580), (79, 240577280), (80, 237570064), (128, 148481290), (158, 120288640), (160, 118785032), (256, 74240645), (316, 60144320), (320, 59392516), (395, 48115456), (632, 30072160), (640, 29696258), (790, 24057728), (1264, 15036080), (1280, 14848129), (1580, 12028864), (2528, 7518040), (3160, 6014432), (5056, 3759020), (6320, 3007216), (10112, 1879510), (12640, 1503608), (20224, 939755), (25280, 751804), (50560, 375902), (101120, 187951)]