281310240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 938843136

約数和(自身を除く): 657532896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 83, 92, 96, 115, 120, 138, 160, 166, 184, 230, 240, 249, 276, 307, 332, 345, 368, 415, 460, 480, 498, 552, 614, 664, 690, 736, 830, 920, 921, 996, 1104, 1228, 1245, 1328, 1380, 1535, 1660, 1840, 1842, 1909, 1992, 2208, 2456, 2490, 2656, 2760, 3070, 3320, 3680, 3684, 3818, 3984, 4605, 4912, 4980, 5520, 5727, 6140, 6640, 7061, 7368, 7636, 7968, 9210, 9545, 9824, 9960, 11040, 11454, 12280, 13280, 14122, 14736, 15272, 18420, 19090, 19920, 21183, 22908, 24560, 25481, 28244, 28635, 29472, 30544, 35305, 36840, 38180, 39840, 42366, 45816, 49120, 50962, 56488, 57270, 61088, 70610, 73680, 76360, 76443, 84732, 91632, 101924, 105915, 112976, 114540, 127405, 141220, 147360, 152720, 152886, 169464, 183264, 203848, 211830, 225952, 229080, 254810, 282440, 305440, 305772, 338928, 382215, 407696, 423660, 458160, 509620, 564880, 586063, 611544, 677856, 764430, 815392, 847320, 916320, 1019240, 1129760, 1172126, 1223088, 1528860, 1694640, 1758189, 2038480, 2344252, 2446176, 2930315, 3057720, 3389280, 3516378, 4076960, 4688504, 5860630, 6115440, 7032756, 8790945, 9377008, 11721260, 12230880, 14065512, 17581890, 18754016, 23442520, 28131024, 35163780, 46885040, 56262048, 70327560, 93770080, 140655120, 281310240]

約数ペア:

[(1, 281310240), (2, 140655120), (3, 93770080), (4, 70327560), (5, 56262048), (6, 46885040), (8, 35163780), (10, 28131024), (12, 23442520), (15, 18754016), (16, 17581890), (20, 14065512), (23, 12230880), (24, 11721260), (30, 9377008), (32, 8790945), (40, 7032756), (46, 6115440), (48, 5860630), (60, 4688504), (69, 4076960), (80, 3516378), (83, 3389280), (92, 3057720), (96, 2930315), (115, 2446176), (120, 2344252), (138, 2038480), (160, 1758189), (166, 1694640), (184, 1528860), (230, 1223088), (240, 1172126), (249, 1129760), (276, 1019240), (307, 916320), (332, 847320), (345, 815392), (368, 764430), (415, 677856), (460, 611544), (480, 586063), (498, 564880), (552, 509620), (614, 458160), (664, 423660), (690, 407696), (736, 382215), (830, 338928), (920, 305772), (921, 305440), (996, 282440), (1104, 254810), (1228, 229080), (1245, 225952), (1328, 211830), (1380, 203848), (1535, 183264), (1660, 169464), (1840, 152886), (1842, 152720), (1909, 147360), (1992, 141220), (2208, 127405), (2456, 114540), (2490, 112976), (2656, 105915), (2760, 101924), (3070, 91632), (3320, 84732), (3680, 76443), (3684, 76360), (3818, 73680), (3984, 70610), (4605, 61088), (4912, 57270), (4980, 56488), (5520, 50962), (5727, 49120), (6140, 45816), (6640, 42366), (7061, 39840), (7368, 38180), (7636, 36840), (7968, 35305), (9210, 30544), (9545, 29472), (9824, 28635), (9960, 28244), (11040, 25481), (11454, 24560), (12280, 22908), (13280, 21183), (14122, 19920), (14736, 19090), (15272, 18420)]