28675800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 97929000

約数和(自身を除く): 69253200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 89, 90, 100, 120, 150, 178, 179, 180, 200, 225, 267, 300, 356, 358, 360, 445, 450, 534, 537, 600, 712, 716, 801, 890, 895, 900, 1068, 1074, 1335, 1432, 1602, 1611, 1780, 1790, 1800, 2136, 2148, 2225, 2670, 2685, 3204, 3222, 3560, 3580, 4005, 4296, 4450, 4475, 5340, 5370, 6408, 6444, 6675, 7160, 8010, 8055, 8900, 8950, 10680, 10740, 12888, 13350, 13425, 15931, 16020, 16110, 17800, 17900, 20025, 21480, 26700, 26850, 31862, 32040, 32220, 35800, 40050, 40275, 47793, 53400, 53700, 63724, 64440, 79655, 80100, 80550, 95586, 107400, 127448, 143379, 159310, 160200, 161100, 191172, 238965, 286758, 318620, 322200, 382344, 398275, 477930, 573516, 637240, 716895, 796550, 955860, 1147032, 1194825, 1433790, 1593100, 1911720, 2389650, 2867580, 3186200, 3584475, 4779300, 5735160, 7168950, 9558600, 14337900, 28675800]

約数ペア:

[(1, 28675800), (2, 14337900), (3, 9558600), (4, 7168950), (5, 5735160), (6, 4779300), (8, 3584475), (9, 3186200), (10, 2867580), (12, 2389650), (15, 1911720), (18, 1593100), (20, 1433790), (24, 1194825), (25, 1147032), (30, 955860), (36, 796550), (40, 716895), (45, 637240), (50, 573516), (60, 477930), (72, 398275), (75, 382344), (89, 322200), (90, 318620), (100, 286758), (120, 238965), (150, 191172), (178, 161100), (179, 160200), (180, 159310), (200, 143379), (225, 127448), (267, 107400), (300, 95586), (356, 80550), (358, 80100), (360, 79655), (445, 64440), (450, 63724), (534, 53700), (537, 53400), (600, 47793), (712, 40275), (716, 40050), (801, 35800), (890, 32220), (895, 32040), (900, 31862), (1068, 26850), (1074, 26700), (1335, 21480), (1432, 20025), (1602, 17900), (1611, 17800), (1780, 16110), (1790, 16020), (1800, 15931), (2136, 13425), (2148, 13350), (2225, 12888), (2670, 10740), (2685, 10680), (3204, 8950), (3222, 8900), (3560, 8055), (3580, 8010), (4005, 7160), (4296, 6675), (4450, 6444), (4475, 6408), (5340, 5370)]