222676720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 160

約数和(自身を含む): 621674496

約数和(自身を除く): 398997776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 101, 112, 124, 127, 140, 155, 202, 217, 248, 254, 280, 310, 404, 434, 496, 505, 508, 560, 620, 635, 707, 808, 868, 889, 1010, 1016, 1085, 1240, 1270, 1414, 1616, 1736, 1778, 2020, 2032, 2170, 2480, 2540, 2828, 3131, 3472, 3535, 3556, 3937, 4040, 4340, 4445, 5080, 5656, 6262, 7070, 7112, 7874, 8080, 8680, 8890, 10160, 11312, 12524, 12827, 14140, 14224, 15655, 15748, 17360, 17780, 19685, 21917, 25048, 25654, 27559, 28280, 31310, 31496, 35560, 39370, 43834, 50096, 51308, 55118, 56560, 62620, 62992, 64135, 71120, 78740, 87668, 89789, 102616, 109585, 110236, 125240, 128270, 137795, 157480, 175336, 179578, 205232, 219170, 220472, 250480, 256540, 275590, 314960, 350672, 359156, 397637, 438340, 440944, 448945, 513080, 551180, 718312, 795274, 876680, 897890, 1026160, 1102360, 1436624, 1590548, 1753360, 1795780, 1988185, 2204720, 2783459, 3181096, 3591560, 3976370, 5566918, 6362192, 7183120, 7952740, 11133836, 13917295, 15905480, 22267672, 27834590, 31810960, 44535344, 55669180, 111338360, 222676720]

約数ペア:

[(1, 222676720), (2, 111338360), (4, 55669180), (5, 44535344), (7, 31810960), (8, 27834590), (10, 22267672), (14, 15905480), (16, 13917295), (20, 11133836), (28, 7952740), (31, 7183120), (35, 6362192), (40, 5566918), (56, 3976370), (62, 3591560), (70, 3181096), (80, 2783459), (101, 2204720), (112, 1988185), (124, 1795780), (127, 1753360), (140, 1590548), (155, 1436624), (202, 1102360), (217, 1026160), (248, 897890), (254, 876680), (280, 795274), (310, 718312), (404, 551180), (434, 513080), (496, 448945), (505, 440944), (508, 438340), (560, 397637), (620, 359156), (635, 350672), (707, 314960), (808, 275590), (868, 256540), (889, 250480), (1010, 220472), (1016, 219170), (1085, 205232), (1240, 179578), (1270, 175336), (1414, 157480), (1616, 137795), (1736, 128270), (1778, 125240), (2020, 110236), (2032, 109585), (2170, 102616), (2480, 89789), (2540, 87668), (2828, 78740), (3131, 71120), (3472, 64135), (3535, 62992), (3556, 62620), (3937, 56560), (4040, 55118), (4340, 51308), (4445, 50096), (5080, 43834), (5656, 39370), (6262, 35560), (7070, 31496), (7112, 31310), (7874, 28280), (8080, 27559), (8680, 25654), (8890, 25048), (10160, 21917), (11312, 19685), (12524, 17780), (12827, 17360), (14140, 15748), (14224, 15655)]