1321991040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2857}}^1$

素因数の和:3120

約数の個数: 128

約数和(自身を含む): 4232812320

約数和(自身を除く): 2910821280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 241, 320, 384, 480, 482, 640, 723, 960, 964, 1205, 1446, 1920, 1928, 2410, 2857, 2892, 3615, 3856, 4820, 5714, 5784, 7230, 7712, 8571, 9640, 11428, 11568, 14285, 14460, 15424, 17142, 19280, 22856, 23136, 28570, 28920, 30848, 34284, 38560, 42855, 45712, 46272, 57140, 57840, 68568, 77120, 85710, 91424, 92544, 114280, 115680, 137136, 154240, 171420, 182848, 228560, 231360, 274272, 342840, 365696, 457120, 462720, 548544, 685680, 688537, 914240, 1097088, 1371360, 1377074, 1828480, 2065611, 2742720, 2754148, 3442685, 4131222, 5485440, 5508296, 6885370, 8262444, 10328055, 11016592, 13770740, 16524888, 20656110, 22033184, 27541480, 33049776, 41312220, 44066368, 55082960, 66099552, 82624440, 88132736, 110165920, 132199104, 165248880, 220331840, 264398208, 330497760, 440663680, 660995520, 1321991040]

約数ペア:

[(1, 1321991040), (2, 660995520), (3, 440663680), (4, 330497760), (5, 264398208), (6, 220331840), (8, 165248880), (10, 132199104), (12, 110165920), (15, 88132736), (16, 82624440), (20, 66099552), (24, 55082960), (30, 44066368), (32, 41312220), (40, 33049776), (48, 27541480), (60, 22033184), (64, 20656110), (80, 16524888), (96, 13770740), (120, 11016592), (128, 10328055), (160, 8262444), (192, 6885370), (240, 5508296), (241, 5485440), (320, 4131222), (384, 3442685), (480, 2754148), (482, 2742720), (640, 2065611), (723, 1828480), (960, 1377074), (964, 1371360), (1205, 1097088), (1446, 914240), (1920, 688537), (1928, 685680), (2410, 548544), (2857, 462720), (2892, 457120), (3615, 365696), (3856, 342840), (4820, 274272), (5714, 231360), (5784, 228560), (7230, 182848), (7712, 171420), (8571, 154240), (9640, 137136), (11428, 115680), (11568, 114280), (14285, 92544), (14460, 91424), (15424, 85710), (17142, 77120), (19280, 68568), (22856, 57840), (23136, 57140), (28570, 46272), (28920, 45712), (30848, 42855), (34284, 38560)]