398516640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1255

約数の個数: 192

約数和(自身を含む): 1358259840

約数和(自身を除く): 959743200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 96, 111, 114, 120, 148, 152, 160, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 480, 555, 570, 592, 608, 703, 740, 760, 888, 912, 1110, 1140, 1181, 1184, 1406, 1480, 1520, 1776, 1824, 2109, 2220, 2280, 2362, 2812, 2960, 3040, 3515, 3543, 3552, 4218, 4440, 4560, 4724, 5624, 5905, 5920, 7030, 7086, 8436, 8880, 9120, 9448, 10545, 11248, 11810, 14060, 14172, 16872, 17715, 17760, 18896, 21090, 22439, 22496, 23620, 28120, 28344, 33744, 35430, 37792, 42180, 43697, 44878, 47240, 56240, 56688, 67317, 67488, 70860, 84360, 87394, 89756, 94480, 112195, 112480, 113376, 131091, 134634, 141720, 168720, 174788, 179512, 188960, 218485, 224390, 262182, 269268, 283440, 336585, 337440, 349576, 359024, 436970, 448780, 524364, 538536, 566880, 655455, 673170, 699152, 718048, 830243, 873940, 897560, 1048728, 1077072, 1310910, 1346340, 1398304, 1660486, 1747880, 1795120, 2097456, 2154144, 2490729, 2621820, 2692680, 3320972, 3495760, 3590240, 4151215, 4194912, 4981458, 5243640, 5385360, 6641944, 6991520, 8302430, 9962916, 10487280, 10770720, 12453645, 13283888, 16604860, 19925832, 20974560, 24907290, 26567776, 33209720, 39851664, 49814580, 66419440, 79703328, 99629160, 132838880, 199258320, 398516640]

約数ペア:

[(1, 398516640), (2, 199258320), (3, 132838880), (4, 99629160), (5, 79703328), (6, 66419440), (8, 49814580), (10, 39851664), (12, 33209720), (15, 26567776), (16, 24907290), (19, 20974560), (20, 19925832), (24, 16604860), (30, 13283888), (32, 12453645), (37, 10770720), (38, 10487280), (40, 9962916), (48, 8302430), (57, 6991520), (60, 6641944), (74, 5385360), (76, 5243640), (80, 4981458), (95, 4194912), (96, 4151215), (111, 3590240), (114, 3495760), (120, 3320972), (148, 2692680), (152, 2621820), (160, 2490729), (185, 2154144), (190, 2097456), (222, 1795120), (228, 1747880), (240, 1660486), (285, 1398304), (296, 1346340), (304, 1310910), (370, 1077072), (380, 1048728), (444, 897560), (456, 873940), (480, 830243), (555, 718048), (570, 699152), (592, 673170), (608, 655455), (703, 566880), (740, 538536), (760, 524364), (888, 448780), (912, 436970), (1110, 359024), (1140, 349576), (1181, 337440), (1184, 336585), (1406, 283440), (1480, 269268), (1520, 262182), (1776, 224390), (1824, 218485), (2109, 188960), (2220, 179512), (2280, 174788), (2362, 168720), (2812, 141720), (2960, 134634), (3040, 131091), (3515, 113376), (3543, 112480), (3552, 112195), (4218, 94480), (4440, 89756), (4560, 87394), (4724, 84360), (5624, 70860), (5905, 67488), (5920, 67317), (7030, 56688), (7086, 56240), (8436, 47240), (8880, 44878), (9120, 43697), (9448, 42180), (10545, 37792), (11248, 35430), (11810, 33744), (14060, 28344), (14172, 28120), (16872, 23620), (17715, 22496), (17760, 22439), (18896, 21090)]