20351694720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28571}}^1$

素因数の和:28653

約数の個数: 256

約数和(自身を含む): 75539796480

約数和(自身を除く): 55188101760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 128, 140, 159, 160, 168, 192, 210, 212, 224, 240, 265, 280, 318, 320, 336, 371, 384, 420, 424, 448, 480, 530, 560, 636, 640, 672, 742, 795, 840, 848, 896, 960, 1060, 1113, 1120, 1272, 1344, 1484, 1590, 1680, 1696, 1855, 1920, 2120, 2226, 2240, 2544, 2688, 2968, 3180, 3360, 3392, 3710, 4240, 4452, 4480, 5088, 5565, 5936, 6360, 6720, 6784, 7420, 8480, 8904, 10176, 11130, 11872, 12720, 13440, 14840, 16960, 17808, 20352, 22260, 23744, 25440, 28571, 29680, 33920, 35616, 44520, 47488, 50880, 57142, 59360, 71232, 85713, 89040, 101760, 114284, 118720, 142464, 142855, 171426, 178080, 199997, 228568, 237440, 285710, 342852, 356160, 399994, 428565, 457136, 571420, 599991, 685704, 712320, 799988, 857130, 914272, 999985, 1142840, 1199982, 1371408, 1514263, 1599976, 1714260, 1828544, 1999970, 2285680, 2399964, 2742816, 2999955, 3028526, 3199952, 3428520, 3657088, 3999940, 4542789, 4571360, 4799928, 5485632, 5999910, 6057052, 6399904, 6857040, 7571315, 7999880, 9085578, 9142720, 9599856, 10599841, 10971264, 11999820, 12114104, 12799808, 13714080, 15142630, 15999760, 18171156, 18285440, 19199712, 21199682, 22713945, 23999640, 24228208, 25599616, 27428160, 30285260, 31799523, 31999520, 36342312, 38399424, 42399364, 45427890, 47999280, 48456416, 52999205, 54856320, 60570520, 63599046, 63999040, 72684624, 76798848, 84798728, 90855780, 95998560, 96912832, 105998410, 121141040, 127198092, 127998080, 145369248, 158997615, 169597456, 181711560, 191997120, 193825664, 211996820, 242282080, 254396184, 290738496, 317995230, 339194912, 363423120, 383994240, 423993640, 484564160, 508792368, 581476992, 635990460, 678389824, 726846240, 847987280, 969128320, 1017584736, 1271980920, 1356779648, 1453692480, 1695974560, 2035169472, 2543961840, 2907384960, 3391949120, 4070338944, 5087923680, 6783898240, 10175847360, 20351694720]

約数ペア:

[(1, 20351694720), (2, 10175847360), (3, 6783898240), (4, 5087923680), (5, 4070338944), (6, 3391949120), (7, 2907384960), (8, 2543961840), (10, 2035169472), (12, 1695974560), (14, 1453692480), (15, 1356779648), (16, 1271980920), (20, 1017584736), (21, 969128320), (24, 847987280), (28, 726846240), (30, 678389824), (32, 635990460), (35, 581476992), (40, 508792368), (42, 484564160), (48, 423993640), (53, 383994240), (56, 363423120), (60, 339194912), (64, 317995230), (70, 290738496), (80, 254396184), (84, 242282080), (96, 211996820), (105, 193825664), (106, 191997120), (112, 181711560), (120, 169597456), (128, 158997615), (140, 145369248), (159, 127998080), (160, 127198092), (168, 121141040), (192, 105998410), (210, 96912832), (212, 95998560), (224, 90855780), (240, 84798728), (265, 76798848), (280, 72684624), (318, 63999040), (320, 63599046), (336, 60570520), (371, 54856320), (384, 52999205), (420, 48456416), (424, 47999280), (448, 45427890), (480, 42399364), (530, 38399424), (560, 36342312), (636, 31999520), (640, 31799523), (672, 30285260), (742, 27428160), (795, 25599616), (840, 24228208), (848, 23999640), (896, 22713945), (960, 21199682), (1060, 19199712), (1113, 18285440), (1120, 18171156), (1272, 15999760), (1344, 15142630), (1484, 13714080), (1590, 12799808), (1680, 12114104), (1696, 11999820), (1855, 10971264), (1920, 10599841), (2120, 9599856), (2226, 9142720), (2240, 9085578), (2544, 7999880), (2688, 7571315), (2968, 6857040), (3180, 6399904), (3360, 6057052), (3392, 5999910), (3710, 5485632), (4240, 4799928), (4452, 4571360), (4480, 4542789), (5088, 3999940), (5565, 3657088), (5936, 3428520), (6360, 3199952), (6720, 3028526), (6784, 2999955), (7420, 2742816), (8480, 2399964), (8904, 2285680), (10176, 1999970), (11130, 1828544), (11872, 1714260), (12720, 1599976), (13440, 1514263), (14840, 1371408), (16960, 1199982), (17808, 1142840), (20352, 999985), (22260, 914272), (23744, 857130), (25440, 799988), (28571, 712320), (29680, 685704), (33920, 599991), (35616, 571420), (44520, 457136), (47488, 428565), (50880, 399994), (57142, 356160), (59360, 342852), (71232, 285710), (85713, 237440), (89040, 228568), (101760, 199997), (114284, 178080), (118720, 171426), (142464, 142855)]