72563560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 170150400

約数和(自身を除く): 97586840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 421, 556, 620, 695, 842, 1112, 1240, 1390, 1684, 2105, 2780, 3368, 4210, 4309, 5560, 8420, 8618, 13051, 16840, 17236, 21545, 26102, 34472, 43090, 52204, 58519, 65255, 86180, 104408, 117038, 130510, 172360, 234076, 261020, 292595, 468152, 522040, 585190, 1170380, 1814089, 2340760, 3628178, 7256356, 9070445, 14512712, 18140890, 36281780, 72563560]

約数ペア:

[(1, 72563560), (2, 36281780), (4, 18140890), (5, 14512712), (8, 9070445), (10, 7256356), (20, 3628178), (31, 2340760), (40, 1814089), (62, 1170380), (124, 585190), (139, 522040), (155, 468152), (248, 292595), (278, 261020), (310, 234076), (421, 172360), (556, 130510), (620, 117038), (695, 104408), (842, 86180), (1112, 65255), (1240, 58519), (1390, 52204), (1684, 43090), (2105, 34472), (2780, 26102), (3368, 21545), (4210, 17236), (4309, 16840), (5560, 13051), (8420, 8618)]