21368160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 84913920

約数和(自身を除く): 63545760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 32, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 71, 72, 76, 80, 88, 90, 95, 96, 99, 110, 114, 120, 132, 142, 144, 152, 160, 165, 171, 176, 180, 190, 198, 209, 213, 220, 228, 240, 264, 284, 285, 288, 304, 330, 342, 352, 355, 360, 380, 396, 418, 426, 440, 456, 480, 495, 528, 568, 570, 608, 627, 639, 660, 684, 710, 720, 760, 781, 792, 836, 852, 855, 880, 912, 990, 1045, 1056, 1065, 1136, 1140, 1254, 1278, 1320, 1349, 1368, 1420, 1440, 1520, 1562, 1584, 1672, 1704, 1710, 1760, 1824, 1881, 1980, 2090, 2130, 2272, 2280, 2343, 2508, 2556, 2640, 2698, 2736, 2840, 3040, 3124, 3135, 3168, 3195, 3344, 3408, 3420, 3762, 3905, 3960, 4047, 4180, 4260, 4560, 4686, 5016, 5112, 5280, 5396, 5472, 5680, 6248, 6270, 6390, 6688, 6745, 6816, 6840, 7029, 7524, 7810, 7920, 8094, 8360, 8520, 9120, 9372, 9405, 10032, 10224, 10792, 11360, 11715, 12141, 12496, 12540, 12780, 13490, 13680, 14058, 14839, 15048, 15620, 15840, 16188, 16720, 17040, 18744, 18810, 20064, 20235, 20448, 21584, 23430, 24282, 24992, 25080, 25560, 26980, 27360, 28116, 29678, 30096, 31240, 32376, 33440, 34080, 35145, 37488, 37620, 40470, 43168, 44517, 46860, 48564, 50160, 51120, 53960, 56232, 59356, 60192, 60705, 62480, 64752, 70290, 74195, 74976, 75240, 80940, 89034, 93720, 97128, 100320, 102240, 107920, 112464, 118712, 121410, 124960, 129504, 133551, 140580, 148390, 150480, 161880, 178068, 187440, 194256, 215840, 222585, 224928, 237424, 242820, 267102, 281160, 296780, 300960, 323760, 356136, 374880, 388512, 445170, 474848, 485640, 534204, 562320, 593560, 647520, 667755, 712272, 890340, 971280, 1068408, 1124640, 1187120, 1335510, 1424544, 1780680, 1942560, 2136816, 2374240, 2671020, 3561360, 4273632, 5342040, 7122720, 10684080, 21368160]

約数ペア:

[(1, 21368160), (2, 10684080), (3, 7122720), (4, 5342040), (5, 4273632), (6, 3561360), (8, 2671020), (9, 2374240), (10, 2136816), (11, 1942560), (12, 1780680), (15, 1424544), (16, 1335510), (18, 1187120), (19, 1124640), (20, 1068408), (22, 971280), (24, 890340), (30, 712272), (32, 667755), (33, 647520), (36, 593560), (38, 562320), (40, 534204), (44, 485640), (45, 474848), (48, 445170), (55, 388512), (57, 374880), (60, 356136), (66, 323760), (71, 300960), (72, 296780), (76, 281160), (80, 267102), (88, 242820), (90, 237424), (95, 224928), (96, 222585), (99, 215840), (110, 194256), (114, 187440), (120, 178068), (132, 161880), (142, 150480), (144, 148390), (152, 140580), (160, 133551), (165, 129504), (171, 124960), (176, 121410), (180, 118712), (190, 112464), (198, 107920), (209, 102240), (213, 100320), (220, 97128), (228, 93720), (240, 89034), (264, 80940), (284, 75240), (285, 74976), (288, 74195), (304, 70290), (330, 64752), (342, 62480), (352, 60705), (355, 60192), (360, 59356), (380, 56232), (396, 53960), (418, 51120), (426, 50160), (440, 48564), (456, 46860), (480, 44517), (495, 43168), (528, 40470), (568, 37620), (570, 37488), (608, 35145), (627, 34080), (639, 33440), (660, 32376), (684, 31240), (710, 30096), (720, 29678), (760, 28116), (781, 27360), (792, 26980), (836, 25560), (852, 25080), (855, 24992), (880, 24282), (912, 23430), (990, 21584), (1045, 20448), (1056, 20235), (1065, 20064), (1136, 18810), (1140, 18744), (1254, 17040), (1278, 16720), (1320, 16188), (1349, 15840), (1368, 15620), (1420, 15048), (1440, 14839), (1520, 14058), (1562, 13680), (1584, 13490), (1672, 12780), (1704, 12540), (1710, 12496), (1760, 12141), (1824, 11715), (1881, 11360), (1980, 10792), (2090, 10224), (2130, 10032), (2272, 9405), (2280, 9372), (2343, 9120), (2508, 8520), (2556, 8360), (2640, 8094), (2698, 7920), (2736, 7810), (2840, 7524), (3040, 7029), (3124, 6840), (3135, 6816), (3168, 6745), (3195, 6688), (3344, 6390), (3408, 6270), (3420, 6248), (3762, 5680), (3905, 5472), (3960, 5396), (4047, 5280), (4180, 5112), (4260, 5016), (4560, 4686)]