165078420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211639}}^1$

素因数の和:211664

約数の個数: 48

約数和(自身を含む): 497777280

約数和(自身を除く): 332698860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 211639, 423278, 634917, 846556, 1058195, 1269834, 2116390, 2539668, 2751307, 3174585, 4232780, 5502614, 6349170, 8253921, 11005228, 12698340, 13756535, 16507842, 27513070, 33015684, 41269605, 55026140, 82539210, 165078420]

約数ペア:

[(1, 165078420), (2, 82539210), (3, 55026140), (4, 41269605), (5, 33015684), (6, 27513070), (10, 16507842), (12, 13756535), (13, 12698340), (15, 11005228), (20, 8253921), (26, 6349170), (30, 5502614), (39, 4232780), (52, 3174585), (60, 2751307), (65, 2539668), (78, 2116390), (130, 1269834), (156, 1058195), (195, 846556), (260, 634917), (390, 423278), (780, 211639)]