12402520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 33747840

約数和(自身を除く): 21345320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 61, 65, 68, 85, 92, 104, 115, 122, 130, 136, 170, 184, 221, 230, 244, 260, 299, 305, 340, 391, 442, 460, 488, 520, 598, 610, 680, 782, 793, 884, 920, 1037, 1105, 1196, 1220, 1403, 1495, 1564, 1586, 1768, 1955, 2074, 2210, 2392, 2440, 2806, 2990, 3128, 3172, 3910, 3965, 4148, 4420, 5083, 5185, 5612, 5980, 6344, 7015, 7820, 7930, 8296, 8840, 10166, 10370, 11224, 11960, 13481, 14030, 15640, 15860, 18239, 20332, 20740, 23851, 25415, 26962, 28060, 31720, 36478, 40664, 41480, 47702, 50830, 53924, 56120, 67405, 72956, 91195, 95404, 101660, 107848, 119255, 134810, 145912, 182390, 190808, 203320, 238510, 269620, 310063, 364780, 477020, 539240, 620126, 729560, 954040, 1240252, 1550315, 2480504, 3100630, 6201260, 12402520]

約数ペア:

[(1, 12402520), (2, 6201260), (4, 3100630), (5, 2480504), (8, 1550315), (10, 1240252), (13, 954040), (17, 729560), (20, 620126), (23, 539240), (26, 477020), (34, 364780), (40, 310063), (46, 269620), (52, 238510), (61, 203320), (65, 190808), (68, 182390), (85, 145912), (92, 134810), (104, 119255), (115, 107848), (122, 101660), (130, 95404), (136, 91195), (170, 72956), (184, 67405), (221, 56120), (230, 53924), (244, 50830), (260, 47702), (299, 41480), (305, 40664), (340, 36478), (391, 31720), (442, 28060), (460, 26962), (488, 25415), (520, 23851), (598, 20740), (610, 20332), (680, 18239), (782, 15860), (793, 15640), (884, 14030), (920, 13481), (1037, 11960), (1105, 11224), (1196, 10370), (1220, 10166), (1403, 8840), (1495, 8296), (1564, 7930), (1586, 7820), (1768, 7015), (1955, 6344), (2074, 5980), (2210, 5612), (2392, 5185), (2440, 5083), (2806, 4420), (2990, 4148), (3128, 3965), (3172, 3910)]