1279555320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27271}}^1$

素因数の和:27325

約数の個数: 128

約数和(自身を含む): 4241341440

約数和(自身を除く): 2961786120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5865, 7820, 9384, 11730, 15640, 23460, 27271, 46920, 54542, 81813, 109084, 136355, 163626, 218168, 272710, 327252, 409065, 463607, 545420, 627233, 654504, 818130, 927214, 1090840, 1254466, 1390821, 1636260, 1854428, 1881699, 2318035, 2508932, 2781642, 3136165, 3272520, 3708856, 3763398, 4636070, 5017864, 5563284, 6272330, 6954105, 7526796, 9272140, 9408495, 10662961, 11126568, 12544660, 13908210, 15053592, 18544280, 18816990, 21325922, 25089320, 27816420, 31988883, 37633980, 42651844, 53314805, 55632840, 63977766, 75267960, 85303688, 106629610, 127955532, 159944415, 213259220, 255911064, 319888830, 426518440, 639777660, 1279555320]

約数ペア:

[(1, 1279555320), (2, 639777660), (3, 426518440), (4, 319888830), (5, 255911064), (6, 213259220), (8, 159944415), (10, 127955532), (12, 106629610), (15, 85303688), (17, 75267960), (20, 63977766), (23, 55632840), (24, 53314805), (30, 42651844), (34, 37633980), (40, 31988883), (46, 27816420), (51, 25089320), (60, 21325922), (68, 18816990), (69, 18544280), (85, 15053592), (92, 13908210), (102, 12544660), (115, 11126568), (120, 10662961), (136, 9408495), (138, 9272140), (170, 7526796), (184, 6954105), (204, 6272330), (230, 5563284), (255, 5017864), (276, 4636070), (340, 3763398), (345, 3708856), (391, 3272520), (408, 3136165), (460, 2781642), (510, 2508932), (552, 2318035), (680, 1881699), (690, 1854428), (782, 1636260), (920, 1390821), (1020, 1254466), (1173, 1090840), (1380, 927214), (1564, 818130), (1955, 654504), (2040, 627233), (2346, 545420), (2760, 463607), (3128, 409065), (3910, 327252), (4692, 272710), (5865, 218168), (7820, 163626), (9384, 136355), (11730, 109084), (15640, 81813), (23460, 54542), (27271, 46920)]