631800

素因数分解:

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

素因数の和:44

約数の個数: 144

約数和(自身を含む): 2369640

約数和(自身を除く): 1737840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 81, 90, 100, 104, 108, 117, 120, 130, 135, 150, 156, 162, 180, 195, 200, 216, 225, 234, 243, 260, 270, 300, 312, 324, 325, 351, 360, 390, 405, 450, 468, 486, 520, 540, 585, 600, 648, 650, 675, 702, 780, 810, 900, 936, 972, 975, 1053, 1080, 1170, 1215, 1300, 1350, 1404, 1560, 1620, 1755, 1800, 1944, 1950, 2025, 2106, 2340, 2430, 2600, 2700, 2808, 2925, 3159, 3240, 3510, 3900, 4050, 4212, 4680, 4860, 5265, 5400, 5850, 6075, 6318, 7020, 7800, 8100, 8424, 8775, 9720, 10530, 11700, 12150, 12636, 14040, 15795, 16200, 17550, 21060, 23400, 24300, 25272, 26325, 31590, 35100, 42120, 48600, 52650, 63180, 70200, 78975, 105300, 126360, 157950, 210600, 315900, 631800]

約数ペア:

[(1, 631800), (2, 315900), (3, 210600), (4, 157950), (5, 126360), (6, 105300), (8, 78975), (9, 70200), (10, 63180), (12, 52650), (13, 48600), (15, 42120), (18, 35100), (20, 31590), (24, 26325), (25, 25272), (26, 24300), (27, 23400), (30, 21060), (36, 17550), (39, 16200), (40, 15795), (45, 14040), (50, 12636), (52, 12150), (54, 11700), (60, 10530), (65, 9720), (72, 8775), (75, 8424), (78, 8100), (81, 7800), (90, 7020), (100, 6318), (104, 6075), (108, 5850), (117, 5400), (120, 5265), (130, 4860), (135, 4680), (150, 4212), (156, 4050), (162, 3900), (180, 3510), (195, 3240), (200, 3159), (216, 2925), (225, 2808), (234, 2700), (243, 2600), (260, 2430), (270, 2340), (300, 2106), (312, 2025), (324, 1950), (325, 1944), (351, 1800), (360, 1755), (390, 1620), (405, 1560), (450, 1404), (468, 1350), (486, 1300), (520, 1215), (540, 1170), (585, 1080), (600, 1053), (648, 975), (650, 972), (675, 936), (702, 900), (780, 810)]