261290340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28463}}^1$

素因数の和:28498

約数の個数: 96

約数和(自身を含む): 860751360

約数和(自身を除く): 599461020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 3060, 4590, 9180, 28463, 56926, 85389, 113852, 142315, 170778, 256167, 284630, 341556, 426945, 483871, 512334, 569260, 768501, 853890, 967742, 1024668, 1280835, 1451613, 1537002, 1707780, 1935484, 2419355, 2561670, 2903226, 3074004, 3842505, 4354839, 4838710, 5123340, 5806452, 7258065, 7685010, 8709678, 9677420, 13064517, 14516130, 15370020, 17419356, 21774195, 26129034, 29032260, 43548390, 52258068, 65322585, 87096780, 130645170, 261290340]

約数ペア:

[(1, 261290340), (2, 130645170), (3, 87096780), (4, 65322585), (5, 52258068), (6, 43548390), (9, 29032260), (10, 26129034), (12, 21774195), (15, 17419356), (17, 15370020), (18, 14516130), (20, 13064517), (27, 9677420), (30, 8709678), (34, 7685010), (36, 7258065), (45, 5806452), (51, 5123340), (54, 4838710), (60, 4354839), (68, 3842505), (85, 3074004), (90, 2903226), (102, 2561670), (108, 2419355), (135, 1935484), (153, 1707780), (170, 1537002), (180, 1451613), (204, 1280835), (255, 1024668), (270, 967742), (306, 853890), (340, 768501), (459, 569260), (510, 512334), (540, 483871), (612, 426945), (765, 341556), (918, 284630), (1020, 256167), (1530, 170778), (1836, 142315), (2295, 113852), (3060, 85389), (4590, 56926), (9180, 28463)]