315900

素因数分解:

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

素因数の和:42

約数の個数: 108

約数和(自身を含む): 1105832

約数和(自身を除く): 789932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 180, 195, 225, 234, 243, 260, 270, 300, 324, 325, 351, 390, 405, 450, 468, 486, 540, 585, 650, 675, 702, 780, 810, 900, 972, 975, 1053, 1170, 1215, 1300, 1350, 1404, 1620, 1755, 1950, 2025, 2106, 2340, 2430, 2700, 2925, 3159, 3510, 3900, 4050, 4212, 4860, 5265, 5850, 6075, 6318, 7020, 8100, 8775, 10530, 11700, 12150, 12636, 15795, 17550, 21060, 24300, 26325, 31590, 35100, 52650, 63180, 78975, 105300, 157950, 315900]

約数ペア:

[(1, 315900), (2, 157950), (3, 105300), (4, 78975), (5, 63180), (6, 52650), (9, 35100), (10, 31590), (12, 26325), (13, 24300), (15, 21060), (18, 17550), (20, 15795), (25, 12636), (26, 12150), (27, 11700), (30, 10530), (36, 8775), (39, 8100), (45, 7020), (50, 6318), (52, 6075), (54, 5850), (60, 5265), (65, 4860), (75, 4212), (78, 4050), (81, 3900), (90, 3510), (100, 3159), (108, 2925), (117, 2700), (130, 2430), (135, 2340), (150, 2106), (156, 2025), (162, 1950), (180, 1755), (195, 1620), (225, 1404), (234, 1350), (243, 1300), (260, 1215), (270, 1170), (300, 1053), (324, 975), (325, 972), (351, 900), (390, 810), (405, 780), (450, 702), (468, 675), (486, 650), (540, 585)]