215180280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{28463}}^1$

素因数の和:28490

約数の個数: 128

約数和(自身を含む): 819763200

約数和(自身を除く): 604582920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 28463, 56926, 85389, 113852, 142315, 170778, 199241, 227704, 256167, 284630, 341556, 398482, 426945, 512334, 569260, 597723, 683112, 768501, 796964, 853890, 996205, 1024668, 1138520, 1195446, 1280835, 1537002, 1593928, 1707780, 1793169, 1992410, 2049336, 2390892, 2561670, 2988615, 3074004, 3415560, 3586338, 3842505, 3984820, 4781784, 5123340, 5379507, 5977230, 6148008, 7172676, 7685010, 7969640, 8965845, 10246680, 10759014, 11954460, 14345352, 15370020, 17931690, 21518028, 23908920, 26897535, 30740040, 35863380, 43036056, 53795070, 71726760, 107590140, 215180280]

約数ペア:

[(1, 215180280), (2, 107590140), (3, 71726760), (4, 53795070), (5, 43036056), (6, 35863380), (7, 30740040), (8, 26897535), (9, 23908920), (10, 21518028), (12, 17931690), (14, 15370020), (15, 14345352), (18, 11954460), (20, 10759014), (21, 10246680), (24, 8965845), (27, 7969640), (28, 7685010), (30, 7172676), (35, 6148008), (36, 5977230), (40, 5379507), (42, 5123340), (45, 4781784), (54, 3984820), (56, 3842505), (60, 3586338), (63, 3415560), (70, 3074004), (72, 2988615), (84, 2561670), (90, 2390892), (105, 2049336), (108, 1992410), (120, 1793169), (126, 1707780), (135, 1593928), (140, 1537002), (168, 1280835), (180, 1195446), (189, 1138520), (210, 1024668), (216, 996205), (252, 853890), (270, 796964), (280, 768501), (315, 683112), (360, 597723), (378, 569260), (420, 512334), (504, 426945), (540, 398482), (630, 341556), (756, 284630), (840, 256167), (945, 227704), (1080, 199241), (1260, 170778), (1512, 142315), (1890, 113852), (2520, 85389), (3780, 56926), (7560, 28463)]