328939440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5333}}^1$

素因数の和:5606

約数の個数: 80

約数和(自身を含む): 1023871968

約数和(自身を除く): 694932528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 5333, 6168, 7710, 10280, 10666, 12336, 15420, 15999, 20560, 21332, 26665, 30840, 31998, 42664, 53330, 61680, 63996, 79995, 85328, 106660, 127992, 159990, 213320, 255984, 319980, 426640, 639960, 1279920, 1370581, 2741162, 4111743, 5482324, 6852905, 8223486, 10964648, 13705810, 16446972, 20558715, 21929296, 27411620, 32893944, 41117430, 54823240, 65787888, 82234860, 109646480, 164469720, 328939440]

約数ペア:

[(1, 328939440), (2, 164469720), (3, 109646480), (4, 82234860), (5, 65787888), (6, 54823240), (8, 41117430), (10, 32893944), (12, 27411620), (15, 21929296), (16, 20558715), (20, 16446972), (24, 13705810), (30, 10964648), (40, 8223486), (48, 6852905), (60, 5482324), (80, 4111743), (120, 2741162), (240, 1370581), (257, 1279920), (514, 639960), (771, 426640), (1028, 319980), (1285, 255984), (1542, 213320), (2056, 159990), (2570, 127992), (3084, 106660), (3855, 85328), (4112, 79995), (5140, 63996), (5333, 61680), (6168, 53330), (7710, 42664), (10280, 31998), (10666, 30840), (12336, 26665), (15420, 21332), (15999, 20560)]