172444740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221083}}^1$

素因数の和:221108

約数の個数: 48

約数和(自身を含む): 519989568

約数和(自身を除く): 347544828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 221083, 442166, 663249, 884332, 1105415, 1326498, 2210830, 2652996, 2874079, 3316245, 4421660, 5748158, 6632490, 8622237, 11496316, 13264980, 14370395, 17244474, 28740790, 34488948, 43111185, 57481580, 86222370, 172444740]

約数ペア:

[(1, 172444740), (2, 86222370), (3, 57481580), (4, 43111185), (5, 34488948), (6, 28740790), (10, 17244474), (12, 14370395), (13, 13264980), (15, 11496316), (20, 8622237), (26, 6632490), (30, 5748158), (39, 4421660), (52, 3316245), (60, 2874079), (65, 2652996), (78, 2210830), (130, 1326498), (156, 1105415), (195, 884332), (260, 663249), (390, 442166), (780, 221083)]