1998973440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1719

約数の個数: 240

約数和(自身を含む): 7057938888

約数和(自身を除く): 5058965448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 512, 530, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1060, 1152, 1272, 1280, 1440, 1536, 1590, 1637, 1696, 1908, 1920, 2120, 2304, 2385, 2544, 2560, 2880, 3180, 3274, 3392, 3816, 3840, 4240, 4608, 4770, 4911, 5088, 5760, 6360, 6548, 6784, 7632, 7680, 8185, 8480, 9540, 9822, 10176, 11520, 12720, 13096, 13568, 14733, 15264, 16370, 16960, 19080, 19644, 20352, 23040, 24555, 25440, 26192, 27136, 29466, 30528, 32740, 33920, 38160, 39288, 40704, 49110, 50880, 52384, 58932, 61056, 65480, 67840, 73665, 76320, 78576, 81408, 86761, 98220, 101760, 104768, 117864, 122112, 130960, 135680, 147330, 152640, 157152, 173522, 196440, 203520, 209536, 235728, 244224, 260283, 261920, 294660, 305280, 314304, 347044, 392880, 407040, 419072, 433805, 471456, 520566, 523840, 589320, 610560, 628608, 694088, 780849, 785760, 838144, 867610, 942912, 1041132, 1047680, 1178640, 1221120, 1257216, 1301415, 1388176, 1561698, 1571520, 1735220, 1885824, 2082264, 2095360, 2357280, 2514432, 2602830, 2776352, 3123396, 3143040, 3470440, 3771648, 3904245, 4164528, 4190720, 4714560, 5205660, 5552704, 6246792, 6286080, 6940880, 7543296, 7808490, 8329056, 9429120, 10411320, 11105408, 12493584, 12572160, 13881760, 15616980, 16658112, 18858240, 20822640, 22210816, 24987168, 27763520, 31233960, 33316224, 37716480, 41645280, 44421632, 49974336, 55527040, 62467920, 66632448, 83290560, 99948672, 111054080, 124935840, 133264896, 166581120, 199897344, 222108160, 249871680, 333162240, 399794688, 499743360, 666324480, 999486720, 1998973440]

約数ペア:

[(1, 1998973440), (2, 999486720), (3, 666324480), (4, 499743360), (5, 399794688), (6, 333162240), (8, 249871680), (9, 222108160), (10, 199897344), (12, 166581120), (15, 133264896), (16, 124935840), (18, 111054080), (20, 99948672), (24, 83290560), (30, 66632448), (32, 62467920), (36, 55527040), (40, 49974336), (45, 44421632), (48, 41645280), (53, 37716480), (60, 33316224), (64, 31233960), (72, 27763520), (80, 24987168), (90, 22210816), (96, 20822640), (106, 18858240), (120, 16658112), (128, 15616980), (144, 13881760), (159, 12572160), (160, 12493584), (180, 11105408), (192, 10411320), (212, 9429120), (240, 8329056), (256, 7808490), (265, 7543296), (288, 6940880), (318, 6286080), (320, 6246792), (360, 5552704), (384, 5205660), (424, 4714560), (477, 4190720), (480, 4164528), (512, 3904245), (530, 3771648), (576, 3470440), (636, 3143040), (640, 3123396), (720, 2776352), (768, 2602830), (795, 2514432), (848, 2357280), (954, 2095360), (960, 2082264), (1060, 1885824), (1152, 1735220), (1272, 1571520), (1280, 1561698), (1440, 1388176), (1536, 1301415), (1590, 1257216), (1637, 1221120), (1696, 1178640), (1908, 1047680), (1920, 1041132), (2120, 942912), (2304, 867610), (2385, 838144), (2544, 785760), (2560, 780849), (2880, 694088), (3180, 628608), (3274, 610560), (3392, 589320), (3816, 523840), (3840, 520566), (4240, 471456), (4608, 433805), (4770, 419072), (4911, 407040), (5088, 392880), (5760, 347044), (6360, 314304), (6548, 305280), (6784, 294660), (7632, 261920), (7680, 260283), (8185, 244224), (8480, 235728), (9540, 209536), (9822, 203520), (10176, 196440), (11520, 173522), (12720, 157152), (13096, 152640), (13568, 147330), (14733, 135680), (15264, 130960), (16370, 122112), (16960, 117864), (19080, 104768), (19644, 101760), (20352, 98220), (23040, 86761), (24555, 81408), (25440, 78576), (26192, 76320), (27136, 73665), (29466, 67840), (30528, 65480), (32740, 61056), (33920, 58932), (38160, 52384), (39288, 50880), (40704, 49110)]