15451940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 40346880

約数和(自身を除く): 24894940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 157, 185, 190, 259, 266, 314, 370, 380, 518, 532, 628, 665, 703, 740, 785, 1036, 1099, 1295, 1330, 1406, 1570, 2198, 2590, 2660, 2812, 2983, 3140, 3515, 4396, 4921, 5180, 5495, 5809, 5966, 7030, 9842, 10990, 11618, 11932, 14060, 14915, 19684, 20881, 21980, 23236, 24605, 29045, 29830, 40663, 41762, 49210, 58090, 59660, 81326, 83524, 98420, 104405, 110371, 116180, 162652, 203315, 208810, 220742, 406630, 417620, 441484, 551855, 772597, 813260, 1103710, 1545194, 2207420, 3090388, 3862985, 7725970, 15451940]

約数ペア:

[(1, 15451940), (2, 7725970), (4, 3862985), (5, 3090388), (7, 2207420), (10, 1545194), (14, 1103710), (19, 813260), (20, 772597), (28, 551855), (35, 441484), (37, 417620), (38, 406630), (70, 220742), (74, 208810), (76, 203315), (95, 162652), (133, 116180), (140, 110371), (148, 104405), (157, 98420), (185, 83524), (190, 81326), (259, 59660), (266, 58090), (314, 49210), (370, 41762), (380, 40663), (518, 29830), (532, 29045), (628, 24605), (665, 23236), (703, 21980), (740, 20881), (785, 19684), (1036, 14915), (1099, 14060), (1295, 11932), (1330, 11618), (1406, 10990), (1570, 9842), (2198, 7030), (2590, 5966), (2660, 5809), (2812, 5495), (2983, 5180), (3140, 4921), (3515, 4396)]