261148560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64007}}^1$

素因数の和:64040

約数の個数: 80

約数和(自身を含む): 857195136

約数和(自身を除く): 596046576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 64007, 128014, 192021, 256028, 320035, 384042, 512056, 640070, 768084, 960105, 1024112, 1088119, 1280140, 1536168, 1920210, 2176238, 2560280, 3072336, 3264357, 3840420, 4352476, 5120560, 5440595, 6528714, 7680840, 8704952, 10881190, 13057428, 15361680, 16321785, 17409904, 21762380, 26114856, 32643570, 43524760, 52229712, 65287140, 87049520, 130574280, 261148560]

約数ペア:

[(1, 261148560), (2, 130574280), (3, 87049520), (4, 65287140), (5, 52229712), (6, 43524760), (8, 32643570), (10, 26114856), (12, 21762380), (15, 17409904), (16, 16321785), (17, 15361680), (20, 13057428), (24, 10881190), (30, 8704952), (34, 7680840), (40, 6528714), (48, 5440595), (51, 5120560), (60, 4352476), (68, 3840420), (80, 3264357), (85, 3072336), (102, 2560280), (120, 2176238), (136, 1920210), (170, 1536168), (204, 1280140), (240, 1088119), (255, 1024112), (272, 960105), (340, 768084), (408, 640070), (510, 512056), (680, 384042), (816, 320035), (1020, 256028), (1360, 192021), (2040, 128014), (4080, 64007)]