390162720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 1306368000

約数和(自身を除く): 916205280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 179, 190, 228, 239, 240, 285, 304, 358, 380, 456, 478, 480, 537, 570, 608, 716, 717, 760, 895, 912, 956, 1074, 1140, 1195, 1432, 1434, 1520, 1790, 1824, 1912, 2148, 2280, 2390, 2685, 2864, 2868, 3040, 3401, 3580, 3585, 3824, 4296, 4541, 4560, 4780, 5370, 5728, 5736, 6802, 7160, 7170, 7648, 8592, 9082, 9120, 9560, 10203, 10740, 11472, 13604, 13623, 14320, 14340, 17005, 17184, 18164, 19120, 20406, 21480, 22705, 22944, 27208, 27246, 28640, 28680, 34010, 36328, 38240, 40812, 42781, 42960, 45410, 51015, 54416, 54492, 57360, 68020, 68115, 72656, 81624, 85562, 85920, 90820, 102030, 108832, 108984, 114720, 128343, 136040, 136230, 145312, 163248, 171124, 181640, 204060, 213905, 217968, 256686, 272080, 272460, 326496, 342248, 363280, 408120, 427810, 435936, 513372, 544160, 544920, 641715, 684496, 726560, 812839, 816240, 855620, 1026744, 1089840, 1283430, 1368992, 1625678, 1632480, 1711240, 2053488, 2179680, 2438517, 2566860, 3251356, 3422480, 4064195, 4106976, 4877034, 5133720, 6502712, 6844960, 8128390, 9754068, 10267440, 12192585, 13005424, 16256780, 19508136, 20534880, 24385170, 26010848, 32513560, 39016272, 48770340, 65027120, 78032544, 97540680, 130054240, 195081360, 390162720]

約数ペア:

[(1, 390162720), (2, 195081360), (3, 130054240), (4, 97540680), (5, 78032544), (6, 65027120), (8, 48770340), (10, 39016272), (12, 32513560), (15, 26010848), (16, 24385170), (19, 20534880), (20, 19508136), (24, 16256780), (30, 13005424), (32, 12192585), (38, 10267440), (40, 9754068), (48, 8128390), (57, 6844960), (60, 6502712), (76, 5133720), (80, 4877034), (95, 4106976), (96, 4064195), (114, 3422480), (120, 3251356), (152, 2566860), (160, 2438517), (179, 2179680), (190, 2053488), (228, 1711240), (239, 1632480), (240, 1625678), (285, 1368992), (304, 1283430), (358, 1089840), (380, 1026744), (456, 855620), (478, 816240), (480, 812839), (537, 726560), (570, 684496), (608, 641715), (716, 544920), (717, 544160), (760, 513372), (895, 435936), (912, 427810), (956, 408120), (1074, 363280), (1140, 342248), (1195, 326496), (1432, 272460), (1434, 272080), (1520, 256686), (1790, 217968), (1824, 213905), (1912, 204060), (2148, 181640), (2280, 171124), (2390, 163248), (2685, 145312), (2864, 136230), (2868, 136040), (3040, 128343), (3401, 114720), (3580, 108984), (3585, 108832), (3824, 102030), (4296, 90820), (4541, 85920), (4560, 85562), (4780, 81624), (5370, 72656), (5728, 68115), (5736, 68020), (6802, 57360), (7160, 54492), (7170, 54416), (7648, 51015), (8592, 45410), (9082, 42960), (9120, 42781), (9560, 40812), (10203, 38240), (10740, 36328), (11472, 34010), (13604, 28680), (13623, 28640), (14320, 27246), (14340, 27208), (17005, 22944), (17184, 22705), (18164, 21480), (19120, 20406)]