218400

素因数分解:

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

素因数の和:43

約数の個数: 144

約数和(自身を含む): 874944

約数和(自身を除く): 656544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 32, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 96, 100, 104, 105, 112, 120, 130, 140, 150, 156, 160, 168, 175, 182, 195, 200, 208, 210, 224, 240, 260, 273, 280, 300, 312, 325, 336, 350, 364, 390, 400, 416, 420, 455, 480, 520, 525, 546, 560, 600, 624, 650, 672, 700, 728, 780, 800, 840, 910, 975, 1040, 1050, 1092, 1120, 1200, 1248, 1300, 1365, 1400, 1456, 1560, 1680, 1820, 1950, 2080, 2100, 2184, 2275, 2400, 2600, 2730, 2800, 2912, 3120, 3360, 3640, 3900, 4200, 4368, 4550, 5200, 5460, 5600, 6240, 6825, 7280, 7800, 8400, 8736, 9100, 10400, 10920, 13650, 14560, 15600, 16800, 18200, 21840, 27300, 31200, 36400, 43680, 54600, 72800, 109200, 218400]

約数ペア:

[(1, 218400), (2, 109200), (3, 72800), (4, 54600), (5, 43680), (6, 36400), (7, 31200), (8, 27300), (10, 21840), (12, 18200), (13, 16800), (14, 15600), (15, 14560), (16, 13650), (20, 10920), (21, 10400), (24, 9100), (25, 8736), (26, 8400), (28, 7800), (30, 7280), (32, 6825), (35, 6240), (39, 5600), (40, 5460), (42, 5200), (48, 4550), (50, 4368), (52, 4200), (56, 3900), (60, 3640), (65, 3360), (70, 3120), (75, 2912), (78, 2800), (80, 2730), (84, 2600), (91, 2400), (96, 2275), (100, 2184), (104, 2100), (105, 2080), (112, 1950), (120, 1820), (130, 1680), (140, 1560), (150, 1456), (156, 1400), (160, 1365), (168, 1300), (175, 1248), (182, 1200), (195, 1120), (200, 1092), (208, 1050), (210, 1040), (224, 975), (240, 910), (260, 840), (273, 800), (280, 780), (300, 728), (312, 700), (325, 672), (336, 650), (350, 624), (364, 600), (390, 560), (400, 546), (416, 525), (420, 520), (455, 480)]