1880940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 5806080

約数和(自身を除く): 3925140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 47, 58, 60, 69, 87, 92, 94, 115, 116, 138, 141, 145, 174, 188, 230, 235, 276, 282, 290, 345, 348, 435, 460, 470, 564, 580, 667, 690, 705, 870, 940, 1081, 1334, 1363, 1380, 1410, 1740, 2001, 2162, 2668, 2726, 2820, 3243, 3335, 4002, 4089, 4324, 5405, 5452, 6486, 6670, 6815, 8004, 8178, 10005, 10810, 12972, 13340, 13630, 16215, 16356, 20010, 20445, 21620, 27260, 31349, 32430, 40020, 40890, 62698, 64860, 81780, 94047, 125396, 156745, 188094, 313490, 376188, 470235, 626980, 940470, 1880940]

約数ペア:

[(1, 1880940), (2, 940470), (3, 626980), (4, 470235), (5, 376188), (6, 313490), (10, 188094), (12, 156745), (15, 125396), (20, 94047), (23, 81780), (29, 64860), (30, 62698), (46, 40890), (47, 40020), (58, 32430), (60, 31349), (69, 27260), (87, 21620), (92, 20445), (94, 20010), (115, 16356), (116, 16215), (138, 13630), (141, 13340), (145, 12972), (174, 10810), (188, 10005), (230, 8178), (235, 8004), (276, 6815), (282, 6670), (290, 6486), (345, 5452), (348, 5405), (435, 4324), (460, 4089), (470, 4002), (564, 3335), (580, 3243), (667, 2820), (690, 2726), (705, 2668), (870, 2162), (940, 2001), (1081, 1740), (1334, 1410), (1363, 1380)]