163566520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18503}}^1$

素因数の和:18544

約数の個数: 64

約数和(自身を含む): 419670720

約数和(自身を除く): 256104200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 18503, 37006, 74012, 92515, 148024, 185030, 240539, 314551, 370060, 481078, 629102, 740120, 962156, 1202695, 1258204, 1572755, 1924312, 2405390, 2516408, 3145510, 4089163, 4810780, 6291020, 8178326, 9621560, 12582040, 16356652, 20445815, 32713304, 40891630, 81783260, 163566520]

約数ペア:

[(1, 163566520), (2, 81783260), (4, 40891630), (5, 32713304), (8, 20445815), (10, 16356652), (13, 12582040), (17, 9621560), (20, 8178326), (26, 6291020), (34, 4810780), (40, 4089163), (52, 3145510), (65, 2516408), (68, 2405390), (85, 1924312), (104, 1572755), (130, 1258204), (136, 1202695), (170, 962156), (221, 740120), (260, 629102), (340, 481078), (442, 370060), (520, 314551), (680, 240539), (884, 185030), (1105, 148024), (1768, 92515), (2210, 74012), (4420, 37006), (8840, 18503)]