18243750

素因数分解:

$2^1\times 3^1\times 5^5\times 7^1\times {\mathrm{139}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 34252890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 139, 150, 175, 210, 250, 278, 350, 375, 417, 525, 625, 695, 750, 834, 875, 973, 1050, 1250, 1390, 1750, 1875, 1946, 2085, 2625, 2919, 3125, 3475, 3750, 4170, 4375, 4865, 5250, 5838, 6250, 6950, 8750, 9375, 9730, 10425, 13125, 14595, 17375, 18750, 20850, 21875, 24325, 26250, 29190, 34750, 43750, 48650, 52125, 65625, 72975, 86875, 104250, 121625, 131250, 145950, 173750, 243250, 260625, 364875, 434375, 521250, 608125, 729750, 868750, 1216250, 1303125, 1824375, 2606250, 3040625, 3648750, 6081250, 9121875, 18243750]

約数ペア:

[(1, 18243750), (2, 9121875), (3, 6081250), (5, 3648750), (6, 3040625), (7, 2606250), (10, 1824375), (14, 1303125), (15, 1216250), (21, 868750), (25, 729750), (30, 608125), (35, 521250), (42, 434375), (50, 364875), (70, 260625), (75, 243250), (105, 173750), (125, 145950), (139, 131250), (150, 121625), (175, 104250), (210, 86875), (250, 72975), (278, 65625), (350, 52125), (375, 48650), (417, 43750), (525, 34750), (625, 29190), (695, 26250), (750, 24325), (834, 21875), (875, 20850), (973, 18750), (1050, 17375), (1250, 14595), (1390, 13125), (1750, 10425), (1875, 9730), (1946, 9375), (2085, 8750), (2625, 6950), (2919, 6250), (3125, 5838), (3475, 5250), (3750, 4865), (4170, 4375)]