15681900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4021}}^1$

素因数の和:4051

約数の個数: 72

約数和(自身を含む): 48875344

約数和(自身を除く): 33193444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4021, 8042, 12063, 16084, 20105, 24126, 40210, 48252, 52273, 60315, 80420, 100525, 104546, 120630, 156819, 201050, 209092, 241260, 261365, 301575, 313638, 402100, 522730, 603150, 627276, 784095, 1045460, 1206300, 1306825, 1568190, 2613650, 3136380, 3920475, 5227300, 7840950, 15681900]

約数ペア:

[(1, 15681900), (2, 7840950), (3, 5227300), (4, 3920475), (5, 3136380), (6, 2613650), (10, 1568190), (12, 1306825), (13, 1206300), (15, 1045460), (20, 784095), (25, 627276), (26, 603150), (30, 522730), (39, 402100), (50, 313638), (52, 301575), (60, 261365), (65, 241260), (75, 209092), (78, 201050), (100, 156819), (130, 120630), (150, 104546), (156, 100525), (195, 80420), (260, 60315), (300, 52273), (325, 48252), (390, 40210), (650, 24126), (780, 20105), (975, 16084), (1300, 12063), (1950, 8042), (3900, 4021)]