1278672840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{15647}}^1$

素因数の和:15891

約数の個数: 96

約数和(自身を含む): 4174260480

約数和(自身を除く): 2895587640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 360, 454, 681, 908, 1135, 1362, 1816, 2043, 2270, 2724, 3405, 4086, 4540, 5448, 6810, 8172, 9080, 10215, 13620, 15647, 16344, 20430, 27240, 31294, 40860, 46941, 62588, 78235, 81720, 93882, 125176, 140823, 156470, 187764, 234705, 281646, 312940, 375528, 469410, 563292, 625880, 704115, 938820, 1126584, 1408230, 1877640, 2816460, 3551869, 5632920, 7103738, 10655607, 14207476, 17759345, 21311214, 28414952, 31966821, 35518690, 42622428, 53278035, 63933642, 71037380, 85244856, 106556070, 127867284, 142074760, 159834105, 213112140, 255734568, 319668210, 426224280, 639336420, 1278672840]

約数ペア:

[(1, 1278672840), (2, 639336420), (3, 426224280), (4, 319668210), (5, 255734568), (6, 213112140), (8, 159834105), (9, 142074760), (10, 127867284), (12, 106556070), (15, 85244856), (18, 71037380), (20, 63933642), (24, 53278035), (30, 42622428), (36, 35518690), (40, 31966821), (45, 28414952), (60, 21311214), (72, 17759345), (90, 14207476), (120, 10655607), (180, 7103738), (227, 5632920), (360, 3551869), (454, 2816460), (681, 1877640), (908, 1408230), (1135, 1126584), (1362, 938820), (1816, 704115), (2043, 625880), (2270, 563292), (2724, 469410), (3405, 375528), (4086, 312940), (4540, 281646), (5448, 234705), (6810, 187764), (8172, 156470), (9080, 140823), (10215, 125176), (13620, 93882), (15647, 81720), (16344, 78235), (20430, 62588), (27240, 46941), (31294, 40860)]