78407880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22531}}^1$

素因数の和:22574

約数の個数: 64

約数和(自身を含む): 243345600

約数和(自身を除く): 164937720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 22531, 45062, 67593, 90124, 112655, 135186, 180248, 225310, 270372, 337965, 450620, 540744, 653399, 675930, 901240, 1306798, 1351860, 1960197, 2613596, 2703720, 3266995, 3920394, 5227192, 6533990, 7840788, 9800985, 13067980, 15681576, 19601970, 26135960, 39203940, 78407880]

約数ペア:

[(1, 78407880), (2, 39203940), (3, 26135960), (4, 19601970), (5, 15681576), (6, 13067980), (8, 9800985), (10, 7840788), (12, 6533990), (15, 5227192), (20, 3920394), (24, 3266995), (29, 2703720), (30, 2613596), (40, 1960197), (58, 1351860), (60, 1306798), (87, 901240), (116, 675930), (120, 653399), (145, 540744), (174, 450620), (232, 337965), (290, 270372), (348, 225310), (435, 180248), (580, 135186), (696, 112655), (870, 90124), (1160, 67593), (1740, 45062), (3480, 22531)]