78235160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 186451200

約数和(自身を除く): 108216040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 311, 331, 380, 622, 662, 760, 1244, 1324, 1555, 1655, 2488, 2648, 3110, 3310, 5909, 6220, 6289, 6620, 11818, 12440, 12578, 13240, 23636, 25156, 29545, 31445, 47272, 50312, 59090, 62890, 102941, 118180, 125780, 205882, 236360, 251560, 411764, 514705, 823528, 1029410, 1955879, 2058820, 3911758, 4117640, 7823516, 9779395, 15647032, 19558790, 39117580, 78235160]

約数ペア:

[(1, 78235160), (2, 39117580), (4, 19558790), (5, 15647032), (8, 9779395), (10, 7823516), (19, 4117640), (20, 3911758), (38, 2058820), (40, 1955879), (76, 1029410), (95, 823528), (152, 514705), (190, 411764), (311, 251560), (331, 236360), (380, 205882), (622, 125780), (662, 118180), (760, 102941), (1244, 62890), (1324, 59090), (1555, 50312), (1655, 47272), (2488, 31445), (2648, 29545), (3110, 25156), (3310, 23636), (5909, 13240), (6220, 12578), (6289, 12440), (6620, 11818)]