320905440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:394

約数の個数: 288

約数和(自身を含む): 1187615520

約数和(自身を除く): 866710080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 37, 38, 40, 45, 48, 57, 60, 72, 74, 76, 80, 90, 95, 96, 111, 114, 120, 144, 148, 152, 160, 171, 180, 185, 190, 222, 228, 240, 285, 288, 296, 304, 317, 333, 342, 360, 370, 380, 444, 456, 480, 555, 570, 592, 608, 634, 666, 684, 703, 720, 740, 760, 855, 888, 912, 951, 1110, 1140, 1184, 1268, 1332, 1368, 1406, 1440, 1480, 1520, 1585, 1665, 1710, 1776, 1824, 1902, 2109, 2220, 2280, 2536, 2664, 2736, 2812, 2853, 2960, 3040, 3170, 3330, 3420, 3515, 3552, 3804, 4218, 4440, 4560, 4755, 5072, 5328, 5472, 5624, 5706, 5920, 6023, 6327, 6340, 6660, 6840, 7030, 7608, 8436, 8880, 9120, 9510, 10144, 10545, 10656, 11248, 11412, 11729, 12046, 12654, 12680, 13320, 13680, 14060, 14265, 15216, 16872, 17760, 18069, 19020, 21090, 22496, 22824, 23458, 24092, 25308, 25360, 26640, 27360, 28120, 28530, 30115, 30432, 31635, 33744, 35187, 36138, 38040, 42180, 45648, 46916, 48184, 50616, 50720, 53280, 54207, 56240, 57060, 58645, 60230, 63270, 67488, 70374, 72276, 76080, 84360, 90345, 91296, 93832, 96368, 101232, 105561, 108414, 112480, 114120, 117290, 120460, 126540, 140748, 144552, 152160, 168720, 175935, 180690, 187664, 192736, 202464, 211122, 216828, 222851, 228240, 234580, 240920, 253080, 271035, 281496, 289104, 337440, 351870, 361380, 375328, 422244, 433656, 445702, 456480, 469160, 481840, 506160, 527805, 542070, 562992, 578208, 668553, 703740, 722760, 844488, 867312, 891404, 938320, 963680, 1012320, 1055610, 1084140, 1114255, 1125984, 1337106, 1407480, 1445520, 1688976, 1734624, 1782808, 1876640, 2005659, 2111220, 2168280, 2228510, 2674212, 2814960, 2891040, 3342765, 3377952, 3565616, 4011318, 4222440, 4336560, 4457020, 5348424, 5629920, 6685530, 7131232, 8022636, 8444880, 8673120, 8914040, 10028295, 10696848, 13371060, 16045272, 16889760, 17828080, 20056590, 21393696, 26742120, 32090544, 35656160, 40113180, 53484240, 64181088, 80226360, 106968480, 160452720, 320905440]

約数ペア:

[(1, 320905440), (2, 160452720), (3, 106968480), (4, 80226360), (5, 64181088), (6, 53484240), (8, 40113180), (9, 35656160), (10, 32090544), (12, 26742120), (15, 21393696), (16, 20056590), (18, 17828080), (19, 16889760), (20, 16045272), (24, 13371060), (30, 10696848), (32, 10028295), (36, 8914040), (37, 8673120), (38, 8444880), (40, 8022636), (45, 7131232), (48, 6685530), (57, 5629920), (60, 5348424), (72, 4457020), (74, 4336560), (76, 4222440), (80, 4011318), (90, 3565616), (95, 3377952), (96, 3342765), (111, 2891040), (114, 2814960), (120, 2674212), (144, 2228510), (148, 2168280), (152, 2111220), (160, 2005659), (171, 1876640), (180, 1782808), (185, 1734624), (190, 1688976), (222, 1445520), (228, 1407480), (240, 1337106), (285, 1125984), (288, 1114255), (296, 1084140), (304, 1055610), (317, 1012320), (333, 963680), (342, 938320), (360, 891404), (370, 867312), (380, 844488), (444, 722760), (456, 703740), (480, 668553), (555, 578208), (570, 562992), (592, 542070), (608, 527805), (634, 506160), (666, 481840), (684, 469160), (703, 456480), (720, 445702), (740, 433656), (760, 422244), (855, 375328), (888, 361380), (912, 351870), (951, 337440), (1110, 289104), (1140, 281496), (1184, 271035), (1268, 253080), (1332, 240920), (1368, 234580), (1406, 228240), (1440, 222851), (1480, 216828), (1520, 211122), (1585, 202464), (1665, 192736), (1710, 187664), (1776, 180690), (1824, 175935), (1902, 168720), (2109, 152160), (2220, 144552), (2280, 140748), (2536, 126540), (2664, 120460), (2736, 117290), (2812, 114120), (2853, 112480), (2960, 108414), (3040, 105561), (3170, 101232), (3330, 96368), (3420, 93832), (3515, 91296), (3552, 90345), (3804, 84360), (4218, 76080), (4440, 72276), (4560, 70374), (4755, 67488), (5072, 63270), (5328, 60230), (5472, 58645), (5624, 57060), (5706, 56240), (5920, 54207), (6023, 53280), (6327, 50720), (6340, 50616), (6660, 48184), (6840, 46916), (7030, 45648), (7608, 42180), (8436, 38040), (8880, 36138), (9120, 35187), (9510, 33744), (10144, 31635), (10545, 30432), (10656, 30115), (11248, 28530), (11412, 28120), (11729, 27360), (12046, 26640), (12654, 25360), (12680, 25308), (13320, 24092), (13680, 23458), (14060, 22824), (14265, 22496), (15216, 21090), (16872, 19020), (17760, 18069)]