1987830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1699}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 5569200

約数和(自身を除く): 3581370

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 1699, 3398, 5097, 8495, 10194, 15291, 16990, 22087, 25485, 30582, 44174, 50970, 66261, 76455, 110435, 132522, 152910, 198783, 220870, 331305, 397566, 662610, 993915, 1987830]

約数ペア:

[(1, 1987830), (2, 993915), (3, 662610), (5, 397566), (6, 331305), (9, 220870), (10, 198783), (13, 152910), (15, 132522), (18, 110435), (26, 76455), (30, 66261), (39, 50970), (45, 44174), (65, 30582), (78, 25485), (90, 22087), (117, 16990), (130, 15291), (195, 10194), (234, 8495), (390, 5097), (585, 3398), (1170, 1699)]