15204860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 36018528

約数和(自身を除く): 20813668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 103, 110, 121, 122, 206, 220, 242, 244, 305, 412, 484, 515, 605, 610, 671, 1030, 1133, 1210, 1220, 1342, 2060, 2266, 2420, 2684, 3355, 4532, 5665, 6283, 6710, 7381, 11330, 12463, 12566, 13420, 14762, 22660, 24926, 25132, 29524, 31415, 36905, 49852, 62315, 62830, 69113, 73810, 124630, 125660, 138226, 147620, 249260, 276452, 345565, 691130, 760243, 1382260, 1520486, 3040972, 3801215, 7602430, 15204860]

約数ペア:

[(1, 15204860), (2, 7602430), (4, 3801215), (5, 3040972), (10, 1520486), (11, 1382260), (20, 760243), (22, 691130), (44, 345565), (55, 276452), (61, 249260), (103, 147620), (110, 138226), (121, 125660), (122, 124630), (206, 73810), (220, 69113), (242, 62830), (244, 62315), (305, 49852), (412, 36905), (484, 31415), (515, 29524), (605, 25132), (610, 24926), (671, 22660), (1030, 14762), (1133, 13420), (1210, 12566), (1220, 12463), (1342, 11330), (2060, 7381), (2266, 6710), (2420, 6283), (2684, 5665), (3355, 4532)]