245486520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21997}}^1$

素因数の和:22045

約数の個数: 96

約数和(自身を含む): 823605120

約数和(自身を除く): 578118600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 21997, 43994, 65991, 87988, 109985, 131982, 175976, 197973, 219970, 263964, 329955, 395946, 439940, 527928, 659910, 681907, 791892, 879880, 989865, 1319820, 1363814, 1583784, 1979730, 2045721, 2639640, 2727628, 3409535, 3959460, 4091442, 5455256, 6137163, 6819070, 7918920, 8182884, 10228605, 12274326, 13638140, 16365768, 20457210, 24548652, 27276280, 30685815, 40914420, 49097304, 61371630, 81828840, 122743260, 245486520]

約数ペア:

[(1, 245486520), (2, 122743260), (3, 81828840), (4, 61371630), (5, 49097304), (6, 40914420), (8, 30685815), (9, 27276280), (10, 24548652), (12, 20457210), (15, 16365768), (18, 13638140), (20, 12274326), (24, 10228605), (30, 8182884), (31, 7918920), (36, 6819070), (40, 6137163), (45, 5455256), (60, 4091442), (62, 3959460), (72, 3409535), (90, 2727628), (93, 2639640), (120, 2045721), (124, 1979730), (155, 1583784), (180, 1363814), (186, 1319820), (248, 989865), (279, 879880), (310, 791892), (360, 681907), (372, 659910), (465, 527928), (558, 439940), (620, 395946), (744, 329955), (930, 263964), (1116, 219970), (1240, 197973), (1395, 175976), (1860, 131982), (2232, 109985), (2790, 87988), (3720, 65991), (5580, 43994), (11160, 21997)]