172839660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{58789}}^1$

素因数の和:58815

約数の個数: 72

約数和(自身を含む): 562973040

約数和(自身を除く): 390133380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 58789, 117578, 176367, 235156, 293945, 352734, 411523, 587890, 705468, 823046, 881835, 1175780, 1234569, 1646092, 1763670, 2057615, 2469138, 2880661, 3527340, 4115230, 4938276, 5761322, 6172845, 8230460, 8641983, 11522644, 12345690, 14403305, 17283966, 24691380, 28806610, 34567932, 43209915, 57613220, 86419830, 172839660]

約数ペア:

[(1, 172839660), (2, 86419830), (3, 57613220), (4, 43209915), (5, 34567932), (6, 28806610), (7, 24691380), (10, 17283966), (12, 14403305), (14, 12345690), (15, 11522644), (20, 8641983), (21, 8230460), (28, 6172845), (30, 5761322), (35, 4938276), (42, 4115230), (49, 3527340), (60, 2880661), (70, 2469138), (84, 2057615), (98, 1763670), (105, 1646092), (140, 1234569), (147, 1175780), (196, 881835), (210, 823046), (245, 705468), (294, 587890), (420, 411523), (490, 352734), (588, 293945), (735, 235156), (980, 176367), (1470, 117578), (2940, 58789)]