2256800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 6999552

約数和(自身を除く): 4742752

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 32, 35, 40, 50, 52, 56, 62, 65, 70, 80, 91, 100, 104, 112, 124, 130, 140, 155, 160, 175, 182, 200, 208, 217, 224, 248, 260, 280, 310, 325, 350, 364, 400, 403, 416, 434, 455, 496, 520, 560, 620, 650, 700, 728, 775, 800, 806, 868, 910, 992, 1040, 1085, 1120, 1240, 1300, 1400, 1456, 1550, 1612, 1736, 1820, 2015, 2080, 2170, 2275, 2480, 2600, 2800, 2821, 2912, 3100, 3224, 3472, 3640, 4030, 4340, 4550, 4960, 5200, 5425, 5600, 5642, 6200, 6448, 6944, 7280, 8060, 8680, 9100, 10075, 10400, 10850, 11284, 12400, 12896, 14105, 14560, 16120, 17360, 18200, 20150, 21700, 22568, 24800, 28210, 32240, 34720, 36400, 40300, 43400, 45136, 56420, 64480, 70525, 72800, 80600, 86800, 90272, 112840, 141050, 161200, 173600, 225680, 282100, 322400, 451360, 564200, 1128400, 2256800]

約数ペア:

[(1, 2256800), (2, 1128400), (4, 564200), (5, 451360), (7, 322400), (8, 282100), (10, 225680), (13, 173600), (14, 161200), (16, 141050), (20, 112840), (25, 90272), (26, 86800), (28, 80600), (31, 72800), (32, 70525), (35, 64480), (40, 56420), (50, 45136), (52, 43400), (56, 40300), (62, 36400), (65, 34720), (70, 32240), (80, 28210), (91, 24800), (100, 22568), (104, 21700), (112, 20150), (124, 18200), (130, 17360), (140, 16120), (155, 14560), (160, 14105), (175, 12896), (182, 12400), (200, 11284), (208, 10850), (217, 10400), (224, 10075), (248, 9100), (260, 8680), (280, 8060), (310, 7280), (325, 6944), (350, 6448), (364, 6200), (400, 5642), (403, 5600), (416, 5425), (434, 5200), (455, 4960), (496, 4550), (520, 4340), (560, 4030), (620, 3640), (650, 3472), (700, 3224), (728, 3100), (775, 2912), (800, 2821), (806, 2800), (868, 2600), (910, 2480), (992, 2275), (1040, 2170), (1085, 2080), (1120, 2015), (1240, 1820), (1300, 1736), (1400, 1612), (1456, 1550)]