1387256520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{6491}}^1$

素因数の和:6655

約数の個数: 128

約数和(自身を含む): 4515315840

約数和(自身を除く): 3128059320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 137, 156, 195, 260, 274, 312, 390, 411, 520, 548, 685, 780, 822, 1096, 1370, 1560, 1644, 1781, 2055, 2740, 3288, 3562, 4110, 5343, 5480, 6491, 7124, 8220, 8905, 10686, 12982, 14248, 16440, 17810, 19473, 21372, 25964, 26715, 32455, 35620, 38946, 42744, 51928, 53430, 64910, 71240, 77892, 84383, 97365, 106860, 129820, 155784, 168766, 194730, 213720, 253149, 259640, 337532, 389460, 421915, 506298, 675064, 778920, 843830, 889267, 1012596, 1265745, 1687660, 1778534, 2025192, 2531490, 2667801, 3375320, 3557068, 4446335, 5062980, 5335602, 7114136, 8892670, 10125960, 10671204, 11560471, 13339005, 17785340, 21342408, 23120942, 26678010, 34681413, 35570680, 46241884, 53356020, 57802355, 69362826, 92483768, 106712040, 115604710, 138725652, 173407065, 231209420, 277451304, 346814130, 462418840, 693628260, 1387256520]

約数ペア:

[(1, 1387256520), (2, 693628260), (3, 462418840), (4, 346814130), (5, 277451304), (6, 231209420), (8, 173407065), (10, 138725652), (12, 115604710), (13, 106712040), (15, 92483768), (20, 69362826), (24, 57802355), (26, 53356020), (30, 46241884), (39, 35570680), (40, 34681413), (52, 26678010), (60, 23120942), (65, 21342408), (78, 17785340), (104, 13339005), (120, 11560471), (130, 10671204), (137, 10125960), (156, 8892670), (195, 7114136), (260, 5335602), (274, 5062980), (312, 4446335), (390, 3557068), (411, 3375320), (520, 2667801), (548, 2531490), (685, 2025192), (780, 1778534), (822, 1687660), (1096, 1265745), (1370, 1012596), (1560, 889267), (1644, 843830), (1781, 778920), (2055, 675064), (2740, 506298), (3288, 421915), (3562, 389460), (4110, 337532), (5343, 259640), (5480, 253149), (6491, 213720), (7124, 194730), (8220, 168766), (8905, 155784), (10686, 129820), (12982, 106860), (14248, 97365), (16440, 84383), (17810, 77892), (19473, 71240), (21372, 64910), (25964, 53430), (26715, 51928), (32455, 42744), (35620, 38946)]