1283880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 4152960

約数和(自身を除く): 2869080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 823, 1560, 1646, 2469, 3292, 4115, 4938, 6584, 8230, 9876, 10699, 12345, 16460, 19752, 21398, 24690, 32097, 32920, 42796, 49380, 53495, 64194, 85592, 98760, 106990, 128388, 160485, 213980, 256776, 320970, 427960, 641940, 1283880]

約数ペア:

[(1, 1283880), (2, 641940), (3, 427960), (4, 320970), (5, 256776), (6, 213980), (8, 160485), (10, 128388), (12, 106990), (13, 98760), (15, 85592), (20, 64194), (24, 53495), (26, 49380), (30, 42796), (39, 32920), (40, 32097), (52, 24690), (60, 21398), (65, 19752), (78, 16460), (104, 12345), (120, 10699), (130, 9876), (156, 8230), (195, 6584), (260, 4938), (312, 4115), (390, 3292), (520, 2469), (780, 1646), (823, 1560)]