61262840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 146340000

約数和(自身を除く): 85077160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 541, 596, 745, 760, 1082, 1192, 1490, 2164, 2705, 2831, 2980, 4328, 5410, 5662, 5960, 10279, 10820, 11324, 14155, 20558, 21640, 22648, 28310, 41116, 51395, 56620, 80609, 82232, 102790, 113240, 161218, 205580, 322436, 403045, 411160, 644872, 806090, 1531571, 1612180, 3063142, 3224360, 6126284, 7657855, 12252568, 15315710, 30631420, 61262840]

約数ペア:

[(1, 61262840), (2, 30631420), (4, 15315710), (5, 12252568), (8, 7657855), (10, 6126284), (19, 3224360), (20, 3063142), (38, 1612180), (40, 1531571), (76, 806090), (95, 644872), (149, 411160), (152, 403045), (190, 322436), (298, 205580), (380, 161218), (541, 113240), (596, 102790), (745, 82232), (760, 80609), (1082, 56620), (1192, 51395), (1490, 41116), (2164, 28310), (2705, 22648), (2831, 21640), (2980, 20558), (4328, 14155), (5410, 11324), (5662, 10820), (5960, 10279)]