223457920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1666

約数の個数: 128

約数和(自身を含む): 630604800

約数和(自身を除く): 407146880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1609, 1736, 1984, 2170, 2240, 2480, 3218, 3472, 3968, 4340, 4480, 4960, 6436, 6944, 8045, 8680, 9920, 11263, 12872, 13888, 16090, 17360, 19840, 22526, 25744, 27776, 32180, 34720, 45052, 49879, 51488, 56315, 64360, 69440, 90104, 99758, 102976, 112630, 128720, 138880, 180208, 199516, 205952, 225260, 249395, 257440, 349153, 360416, 399032, 450520, 498790, 514880, 698306, 720832, 798064, 901040, 997580, 1029760, 1396612, 1441664, 1596128, 1745765, 1802080, 1995160, 2793224, 3192256, 3491530, 3604160, 3990320, 5586448, 6384512, 6983060, 7208320, 7980640, 11172896, 13966120, 15961280, 22345792, 27932240, 31922560, 44691584, 55864480, 111728960, 223457920]

約数ペア:

[(1, 223457920), (2, 111728960), (4, 55864480), (5, 44691584), (7, 31922560), (8, 27932240), (10, 22345792), (14, 15961280), (16, 13966120), (20, 11172896), (28, 7980640), (31, 7208320), (32, 6983060), (35, 6384512), (40, 5586448), (56, 3990320), (62, 3604160), (64, 3491530), (70, 3192256), (80, 2793224), (112, 1995160), (124, 1802080), (128, 1745765), (140, 1596128), (155, 1441664), (160, 1396612), (217, 1029760), (224, 997580), (248, 901040), (280, 798064), (310, 720832), (320, 698306), (434, 514880), (448, 498790), (496, 450520), (560, 399032), (620, 360416), (640, 349153), (868, 257440), (896, 249395), (992, 225260), (1085, 205952), (1120, 199516), (1240, 180208), (1609, 138880), (1736, 128720), (1984, 112630), (2170, 102976), (2240, 99758), (2480, 90104), (3218, 69440), (3472, 64360), (3968, 56315), (4340, 51488), (4480, 49879), (4960, 45052), (6436, 34720), (6944, 32180), (8045, 27776), (8680, 25744), (9920, 22526), (11263, 19840), (12872, 17360), (13888, 16090)]