387960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 1205280

約数和(自身を除く): 817320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 61, 106, 120, 122, 159, 183, 212, 244, 265, 305, 318, 366, 424, 488, 530, 610, 636, 732, 795, 915, 1060, 1220, 1272, 1464, 1590, 1830, 2120, 2440, 3180, 3233, 3660, 6360, 6466, 7320, 9699, 12932, 16165, 19398, 25864, 32330, 38796, 48495, 64660, 77592, 96990, 129320, 193980, 387960]

約数ペア:

[(1, 387960), (2, 193980), (3, 129320), (4, 96990), (5, 77592), (6, 64660), (8, 48495), (10, 38796), (12, 32330), (15, 25864), (20, 19398), (24, 16165), (30, 12932), (40, 9699), (53, 7320), (60, 6466), (61, 6360), (106, 3660), (120, 3233), (122, 3180), (159, 2440), (183, 2120), (212, 1830), (244, 1590), (265, 1464), (305, 1272), (318, 1220), (366, 1060), (424, 915), (488, 795), (530, 732), (610, 636)]