259861840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14969}}^1$

素因数の和:15020

約数の個数: 80

約数和(自身を含む): 712811520

約数和(自身を除く): 452949680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 14969, 17360, 29938, 59876, 74845, 104783, 119752, 149690, 209566, 239504, 299380, 419132, 464039, 523915, 598760, 838264, 928078, 1047830, 1197520, 1676528, 1856156, 2095660, 2320195, 3248273, 3712312, 4191320, 4640390, 6496546, 7424624, 8382640, 9280780, 12993092, 16241365, 18561560, 25986184, 32482730, 37123120, 51972368, 64965460, 129930920, 259861840]

約数ペア:

[(1, 259861840), (2, 129930920), (4, 64965460), (5, 51972368), (7, 37123120), (8, 32482730), (10, 25986184), (14, 18561560), (16, 16241365), (20, 12993092), (28, 9280780), (31, 8382640), (35, 7424624), (40, 6496546), (56, 4640390), (62, 4191320), (70, 3712312), (80, 3248273), (112, 2320195), (124, 2095660), (140, 1856156), (155, 1676528), (217, 1197520), (248, 1047830), (280, 928078), (310, 838264), (434, 598760), (496, 523915), (560, 464039), (620, 419132), (868, 299380), (1085, 239504), (1240, 209566), (1736, 149690), (2170, 119752), (2480, 104783), (3472, 74845), (4340, 59876), (8680, 29938), (14969, 17360)]