2158721880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151171}}^1$

素因数の和:151209

約数の個数: 128

約数和(自身を含む): 7836756480

約数和(自身を除く): 5678034600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 151171, 302342, 453513, 604684, 755855, 907026, 1058197, 1209368, 1511710, 1814052, 2116394, 2267565, 2569907, 3023420, 3174591, 3628104, 4232788, 4535130, 5139814, 5290985, 6046840, 6349182, 7709721, 8465576, 9070260, 10279628, 10581970, 12698364, 12849535, 15419442, 15872955, 17989349, 18140520, 20559256, 21163940, 25396728, 25699070, 30838884, 31745910, 35978698, 38548605, 42327880, 51398140, 53968047, 61677768, 63491820, 71957396, 77097210, 89946745, 102796280, 107936094, 126983640, 143914792, 154194420, 179893490, 215872188, 269840235, 308388840, 359786980, 431744376, 539680470, 719573960, 1079360940, 2158721880]

約数ペア:

[(1, 2158721880), (2, 1079360940), (3, 719573960), (4, 539680470), (5, 431744376), (6, 359786980), (7, 308388840), (8, 269840235), (10, 215872188), (12, 179893490), (14, 154194420), (15, 143914792), (17, 126983640), (20, 107936094), (21, 102796280), (24, 89946745), (28, 77097210), (30, 71957396), (34, 63491820), (35, 61677768), (40, 53968047), (42, 51398140), (51, 42327880), (56, 38548605), (60, 35978698), (68, 31745910), (70, 30838884), (84, 25699070), (85, 25396728), (102, 21163940), (105, 20559256), (119, 18140520), (120, 17989349), (136, 15872955), (140, 15419442), (168, 12849535), (170, 12698364), (204, 10581970), (210, 10279628), (238, 9070260), (255, 8465576), (280, 7709721), (340, 6349182), (357, 6046840), (408, 5290985), (420, 5139814), (476, 4535130), (510, 4232788), (595, 3628104), (680, 3174591), (714, 3023420), (840, 2569907), (952, 2267565), (1020, 2116394), (1190, 1814052), (1428, 1511710), (1785, 1209368), (2040, 1058197), (2380, 907026), (2856, 755855), (3570, 604684), (4760, 453513), (7140, 302342), (14280, 151171)]