253899240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{302261}}^1$

素因数の和:302282

約数の個数: 64

約数和(自身を含む): 870514560

約数和(自身を除く): 616615320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 302261, 604522, 906783, 1209044, 1511305, 1813566, 2115827, 2418088, 3022610, 3627132, 4231654, 4533915, 6045220, 6347481, 7254264, 8463308, 9067830, 10579135, 12090440, 12694962, 16926616, 18135660, 21158270, 25389924, 31737405, 36271320, 42316540, 50779848, 63474810, 84633080, 126949620, 253899240]

約数ペア:

[(1, 253899240), (2, 126949620), (3, 84633080), (4, 63474810), (5, 50779848), (6, 42316540), (7, 36271320), (8, 31737405), (10, 25389924), (12, 21158270), (14, 18135660), (15, 16926616), (20, 12694962), (21, 12090440), (24, 10579135), (28, 9067830), (30, 8463308), (35, 7254264), (40, 6347481), (42, 6045220), (56, 4533915), (60, 4231654), (70, 3627132), (84, 3022610), (105, 2418088), (120, 2115827), (140, 1813566), (168, 1511305), (210, 1209044), (280, 906783), (420, 604522), (840, 302261)]