387538920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2557}}^1$

素因数の和:2995

約数の個数: 96

約数和(自身を含む): 1262986920

約数和(自身を除く): 875448000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 421, 842, 1263, 1684, 2105, 2526, 2557, 3368, 3789, 4210, 5052, 5114, 6315, 7578, 7671, 8420, 10104, 10228, 12630, 12785, 15156, 15342, 16840, 18945, 20456, 23013, 25260, 25570, 30312, 30684, 37890, 38355, 46026, 50520, 51140, 61368, 75780, 76710, 92052, 102280, 115065, 151560, 153420, 184104, 230130, 306840, 460260, 920520, 1076497, 2152994, 3229491, 4305988, 5382485, 6458982, 8611976, 9688473, 10764970, 12917964, 16147455, 19376946, 21529940, 25835928, 32294910, 38753892, 43059880, 48442365, 64589820, 77507784, 96884730, 129179640, 193769460, 387538920]

約数ペア:

[(1, 387538920), (2, 193769460), (3, 129179640), (4, 96884730), (5, 77507784), (6, 64589820), (8, 48442365), (9, 43059880), (10, 38753892), (12, 32294910), (15, 25835928), (18, 21529940), (20, 19376946), (24, 16147455), (30, 12917964), (36, 10764970), (40, 9688473), (45, 8611976), (60, 6458982), (72, 5382485), (90, 4305988), (120, 3229491), (180, 2152994), (360, 1076497), (421, 920520), (842, 460260), (1263, 306840), (1684, 230130), (2105, 184104), (2526, 153420), (2557, 151560), (3368, 115065), (3789, 102280), (4210, 92052), (5052, 76710), (5114, 75780), (6315, 61368), (7578, 51140), (7671, 50520), (8420, 46026), (10104, 38355), (10228, 37890), (12630, 30684), (12785, 30312), (15156, 25570), (15342, 25260), (16840, 23013), (18945, 20456)]