204791640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 632905920

約数和(自身を除く): 428114280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 101, 120, 122, 183, 202, 244, 277, 303, 305, 366, 404, 488, 505, 554, 606, 610, 732, 808, 831, 915, 1010, 1108, 1212, 1220, 1385, 1464, 1515, 1662, 1830, 2020, 2216, 2424, 2440, 2770, 3030, 3324, 3660, 4040, 4155, 5540, 6060, 6161, 6648, 7320, 8310, 11080, 12120, 12322, 16620, 16897, 18483, 24644, 27977, 30805, 33240, 33794, 36966, 49288, 50691, 55954, 61610, 67588, 73932, 83931, 84485, 92415, 101382, 111908, 123220, 135176, 139885, 147864, 167862, 168970, 184830, 202764, 223816, 246440, 253455, 279770, 335724, 337940, 369660, 405528, 419655, 506910, 559540, 671448, 675880, 739320, 839310, 1013820, 1119080, 1678620, 1706597, 2027640, 3357240, 3413194, 5119791, 6826388, 8532985, 10239582, 13652776, 17065970, 20479164, 25598955, 34131940, 40958328, 51197910, 68263880, 102395820, 204791640]

約数ペア:

[(1, 204791640), (2, 102395820), (3, 68263880), (4, 51197910), (5, 40958328), (6, 34131940), (8, 25598955), (10, 20479164), (12, 17065970), (15, 13652776), (20, 10239582), (24, 8532985), (30, 6826388), (40, 5119791), (60, 3413194), (61, 3357240), (101, 2027640), (120, 1706597), (122, 1678620), (183, 1119080), (202, 1013820), (244, 839310), (277, 739320), (303, 675880), (305, 671448), (366, 559540), (404, 506910), (488, 419655), (505, 405528), (554, 369660), (606, 337940), (610, 335724), (732, 279770), (808, 253455), (831, 246440), (915, 223816), (1010, 202764), (1108, 184830), (1212, 168970), (1220, 167862), (1385, 147864), (1464, 139885), (1515, 135176), (1662, 123220), (1830, 111908), (2020, 101382), (2216, 92415), (2424, 84485), (2440, 83931), (2770, 73932), (3030, 67588), (3324, 61610), (3660, 55954), (4040, 50691), (4155, 49288), (5540, 36966), (6060, 33794), (6161, 33240), (6648, 30805), (7320, 27977), (8310, 24644), (11080, 18483), (12120, 16897), (12322, 16620)]