255857040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:414

約数の個数: 240

約数和(自身を含む): 922708800

約数和(自身を除く): 666851760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 59, 60, 72, 76, 80, 90, 95, 114, 118, 120, 144, 152, 171, 177, 180, 190, 228, 236, 240, 285, 295, 304, 317, 342, 354, 360, 380, 456, 472, 531, 570, 590, 634, 684, 708, 720, 760, 855, 885, 912, 944, 951, 1062, 1121, 1140, 1180, 1268, 1368, 1416, 1520, 1585, 1710, 1770, 1902, 2124, 2242, 2280, 2360, 2536, 2655, 2736, 2832, 2853, 3170, 3363, 3420, 3540, 3804, 4248, 4484, 4560, 4720, 4755, 5072, 5310, 5605, 5706, 6023, 6340, 6726, 6840, 7080, 7608, 8496, 8968, 9510, 10089, 10620, 11210, 11412, 12046, 12680, 13452, 13680, 14160, 14265, 15216, 16815, 17936, 18069, 18703, 19020, 20178, 21240, 22420, 22824, 24092, 25360, 26904, 28530, 30115, 33630, 36138, 37406, 38040, 40356, 42480, 44840, 45648, 48184, 50445, 53808, 54207, 56109, 57060, 60230, 67260, 72276, 74812, 76080, 80712, 89680, 90345, 93515, 96368, 100890, 108414, 112218, 114120, 120460, 134520, 144552, 149624, 161424, 168327, 180690, 187030, 201780, 216828, 224436, 228240, 240920, 269040, 271035, 280545, 289104, 299248, 336654, 355357, 361380, 374060, 403560, 433656, 448872, 481840, 542070, 561090, 673308, 710714, 722760, 748120, 807120, 841635, 867312, 897744, 1066071, 1084140, 1122180, 1346616, 1421428, 1445520, 1496240, 1683270, 1776785, 2132142, 2168280, 2244360, 2693232, 2842856, 3198213, 3366540, 3553570, 4264284, 4336560, 4488720, 5330355, 5685712, 6396426, 6733080, 7107140, 8528568, 10660710, 12792852, 13466160, 14214280, 15991065, 17057136, 21321420, 25585704, 28428560, 31982130, 42642840, 51171408, 63964260, 85285680, 127928520, 255857040]

約数ペア:

[(1, 255857040), (2, 127928520), (3, 85285680), (4, 63964260), (5, 51171408), (6, 42642840), (8, 31982130), (9, 28428560), (10, 25585704), (12, 21321420), (15, 17057136), (16, 15991065), (18, 14214280), (19, 13466160), (20, 12792852), (24, 10660710), (30, 8528568), (36, 7107140), (38, 6733080), (40, 6396426), (45, 5685712), (48, 5330355), (57, 4488720), (59, 4336560), (60, 4264284), (72, 3553570), (76, 3366540), (80, 3198213), (90, 2842856), (95, 2693232), (114, 2244360), (118, 2168280), (120, 2132142), (144, 1776785), (152, 1683270), (171, 1496240), (177, 1445520), (180, 1421428), (190, 1346616), (228, 1122180), (236, 1084140), (240, 1066071), (285, 897744), (295, 867312), (304, 841635), (317, 807120), (342, 748120), (354, 722760), (360, 710714), (380, 673308), (456, 561090), (472, 542070), (531, 481840), (570, 448872), (590, 433656), (634, 403560), (684, 374060), (708, 361380), (720, 355357), (760, 336654), (855, 299248), (885, 289104), (912, 280545), (944, 271035), (951, 269040), (1062, 240920), (1121, 228240), (1140, 224436), (1180, 216828), (1268, 201780), (1368, 187030), (1416, 180690), (1520, 168327), (1585, 161424), (1710, 149624), (1770, 144552), (1902, 134520), (2124, 120460), (2242, 114120), (2280, 112218), (2360, 108414), (2536, 100890), (2655, 96368), (2736, 93515), (2832, 90345), (2853, 89680), (3170, 80712), (3363, 76080), (3420, 74812), (3540, 72276), (3804, 67260), (4248, 60230), (4484, 57060), (4560, 56109), (4720, 54207), (4755, 53808), (5072, 50445), (5310, 48184), (5605, 45648), (5706, 44840), (6023, 42480), (6340, 40356), (6726, 38040), (6840, 37406), (7080, 36138), (7608, 33630), (8496, 30115), (8968, 28530), (9510, 26904), (10089, 25360), (10620, 24092), (11210, 22824), (11412, 22420), (12046, 21240), (12680, 20178), (13452, 19020), (13680, 18703), (14160, 18069), (14265, 17936), (15216, 16815)]