21507888240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1\times {\mathrm{881}}^1$

素因数の和:1768

約数の個数: 240

約数和(自身を含む): 74165940576

約数和(自身を除く): 52658052336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 827, 881, 984, 1230, 1476, 1640, 1654, 1762, 1845, 1968, 2460, 2481, 2643, 2952, 3280, 3308, 3524, 3690, 4135, 4405, 4920, 4962, 5286, 5904, 6616, 7048, 7380, 7443, 7929, 8270, 8810, 9840, 9924, 10572, 12405, 13215, 13232, 14096, 14760, 14886, 15858, 16540, 17620, 19848, 21144, 24810, 26430, 29520, 29772, 31716, 33080, 33907, 35240, 36121, 37215, 39645, 39696, 42288, 49620, 52860, 59544, 63432, 66160, 67814, 70480, 72242, 74430, 79290, 99240, 101721, 105720, 108363, 119088, 126864, 135628, 144484, 148860, 158580, 169535, 180605, 198480, 203442, 211440, 216726, 271256, 288968, 297720, 305163, 317160, 325089, 339070, 361210, 406884, 433452, 508605, 541815, 542512, 577936, 595440, 610326, 634320, 650178, 678140, 722420, 728587, 813768, 866904, 1017210, 1083630, 1220652, 1300356, 1356280, 1444840, 1457174, 1525815, 1625445, 1627536, 1733808, 2034420, 2167260, 2185761, 2441304, 2600712, 2712560, 2889680, 2914348, 3051630, 3250890, 3642935, 4068840, 4334520, 4371522, 4882608, 5201424, 5828696, 6103260, 6501780, 6557283, 7285870, 8137680, 8669040, 8743044, 10928805, 11657392, 12206520, 13003560, 13114566, 14571740, 17486088, 21857610, 24413040, 26007120, 26229132, 29143480, 29872067, 32786415, 34972176, 43715220, 52458264, 58286960, 59744134, 65572830, 87430440, 89616201, 104916528, 119488268, 131145660, 149360335, 174860880, 179232402, 238976536, 262291320, 268848603, 298720670, 358464804, 448081005, 477953072, 524582640, 537697206, 597441340, 716929608, 896162010, 1075394412, 1194882680, 1344243015, 1433859216, 1792324020, 2150788824, 2389765360, 2688486030, 3584648040, 4301577648, 5376972060, 7169296080, 10753944120, 21507888240]

約数ペア:

[(1, 21507888240), (2, 10753944120), (3, 7169296080), (4, 5376972060), (5, 4301577648), (6, 3584648040), (8, 2688486030), (9, 2389765360), (10, 2150788824), (12, 1792324020), (15, 1433859216), (16, 1344243015), (18, 1194882680), (20, 1075394412), (24, 896162010), (30, 716929608), (36, 597441340), (40, 537697206), (41, 524582640), (45, 477953072), (48, 448081005), (60, 358464804), (72, 298720670), (80, 268848603), (82, 262291320), (90, 238976536), (120, 179232402), (123, 174860880), (144, 149360335), (164, 131145660), (180, 119488268), (205, 104916528), (240, 89616201), (246, 87430440), (328, 65572830), (360, 59744134), (369, 58286960), (410, 52458264), (492, 43715220), (615, 34972176), (656, 32786415), (720, 29872067), (738, 29143480), (820, 26229132), (827, 26007120), (881, 24413040), (984, 21857610), (1230, 17486088), (1476, 14571740), (1640, 13114566), (1654, 13003560), (1762, 12206520), (1845, 11657392), (1968, 10928805), (2460, 8743044), (2481, 8669040), (2643, 8137680), (2952, 7285870), (3280, 6557283), (3308, 6501780), (3524, 6103260), (3690, 5828696), (4135, 5201424), (4405, 4882608), (4920, 4371522), (4962, 4334520), (5286, 4068840), (5904, 3642935), (6616, 3250890), (7048, 3051630), (7380, 2914348), (7443, 2889680), (7929, 2712560), (8270, 2600712), (8810, 2441304), (9840, 2185761), (9924, 2167260), (10572, 2034420), (12405, 1733808), (13215, 1627536), (13232, 1625445), (14096, 1525815), (14760, 1457174), (14886, 1444840), (15858, 1356280), (16540, 1300356), (17620, 1220652), (19848, 1083630), (21144, 1017210), (24810, 866904), (26430, 813768), (29520, 728587), (29772, 722420), (31716, 678140), (33080, 650178), (33907, 634320), (35240, 610326), (36121, 595440), (37215, 577936), (39645, 542512), (39696, 541815), (42288, 508605), (49620, 433452), (52860, 406884), (59544, 361210), (63432, 339070), (66160, 325089), (67814, 317160), (70480, 305163), (72242, 297720), (74430, 288968), (79290, 271256), (99240, 216726), (101721, 211440), (105720, 203442), (108363, 198480), (119088, 180605), (126864, 169535), (135628, 158580), (144484, 148860)]