245700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{13}}^1$

素因数の和:43

約数の個数: 144

約数和(自身を含む): 972160

約数和(自身を除く): 726460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 27, 28, 30, 35, 36, 39, 42, 45, 50, 52, 54, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 108, 117, 126, 130, 135, 140, 150, 156, 175, 180, 182, 189, 195, 210, 225, 234, 252, 260, 270, 273, 300, 315, 325, 350, 351, 364, 378, 390, 420, 450, 455, 468, 525, 540, 546, 585, 630, 650, 675, 700, 702, 756, 780, 819, 900, 910, 945, 975, 1050, 1092, 1170, 1260, 1300, 1350, 1365, 1404, 1575, 1638, 1755, 1820, 1890, 1950, 2100, 2275, 2340, 2457, 2700, 2730, 2925, 3150, 3276, 3510, 3780, 3900, 4095, 4550, 4725, 4914, 5460, 5850, 6300, 6825, 7020, 8190, 8775, 9100, 9450, 9828, 11700, 12285, 13650, 16380, 17550, 18900, 20475, 24570, 27300, 35100, 40950, 49140, 61425, 81900, 122850, 245700]

約数ペア:

[(1, 245700), (2, 122850), (3, 81900), (4, 61425), (5, 49140), (6, 40950), (7, 35100), (9, 27300), (10, 24570), (12, 20475), (13, 18900), (14, 17550), (15, 16380), (18, 13650), (20, 12285), (21, 11700), (25, 9828), (26, 9450), (27, 9100), (28, 8775), (30, 8190), (35, 7020), (36, 6825), (39, 6300), (42, 5850), (45, 5460), (50, 4914), (52, 4725), (54, 4550), (60, 4095), (63, 3900), (65, 3780), (70, 3510), (75, 3276), (78, 3150), (84, 2925), (90, 2730), (91, 2700), (100, 2457), (105, 2340), (108, 2275), (117, 2100), (126, 1950), (130, 1890), (135, 1820), (140, 1755), (150, 1638), (156, 1575), (175, 1404), (180, 1365), (182, 1350), (189, 1300), (195, 1260), (210, 1170), (225, 1092), (234, 1050), (252, 975), (260, 945), (270, 910), (273, 900), (300, 819), (315, 780), (325, 756), (350, 702), (351, 700), (364, 675), (378, 650), (390, 630), (420, 585), (450, 546), (455, 540), (468, 525)]