172389720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7219}}^1$

素因数の和:7432

約数の個数: 64

約数和(自身を含む): 519840000

約数和(自身を除く): 347450280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3980, 4776, 5970, 7219, 7960, 11940, 14438, 21657, 23880, 28876, 36095, 43314, 57752, 72190, 86628, 108285, 144380, 173256, 216570, 288760, 433140, 866280, 1436581, 2873162, 4309743, 5746324, 7182905, 8619486, 11492648, 14365810, 17238972, 21548715, 28731620, 34477944, 43097430, 57463240, 86194860, 172389720]

約数ペア:

[(1, 172389720), (2, 86194860), (3, 57463240), (4, 43097430), (5, 34477944), (6, 28731620), (8, 21548715), (10, 17238972), (12, 14365810), (15, 11492648), (20, 8619486), (24, 7182905), (30, 5746324), (40, 4309743), (60, 2873162), (120, 1436581), (199, 866280), (398, 433140), (597, 288760), (796, 216570), (995, 173256), (1194, 144380), (1592, 108285), (1990, 86628), (2388, 72190), (2985, 57752), (3980, 43314), (4776, 36095), (5970, 28876), (7219, 23880), (7960, 21657), (11940, 14438)]