1128400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 120

約数和(自身を含む): 3444224

約数和(自身を除く): 2315824

約数列:

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

約数ペア:

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