61881480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 216216000

約数和(自身を除く): 154334520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 83, 90, 95, 109, 114, 120, 152, 166, 171, 180, 190, 218, 228, 249, 285, 327, 332, 342, 360, 380, 415, 436, 456, 498, 545, 570, 654, 664, 684, 747, 760, 830, 855, 872, 981, 996, 1090, 1140, 1245, 1308, 1368, 1494, 1577, 1635, 1660, 1710, 1962, 1992, 2071, 2180, 2280, 2490, 2616, 2988, 3154, 3270, 3320, 3420, 3735, 3924, 4142, 4360, 4731, 4905, 4980, 5976, 6213, 6308, 6540, 6840, 7470, 7848, 7885, 8284, 9047, 9462, 9810, 9960, 10355, 12426, 12616, 13080, 14193, 14940, 15770, 16568, 18094, 18639, 18924, 19620, 20710, 23655, 24852, 27141, 28386, 29880, 31065, 31540, 36188, 37278, 37848, 39240, 41420, 45235, 47310, 49704, 54282, 56772, 62130, 63080, 70965, 72376, 74556, 81423, 82840, 90470, 93195, 94620, 108564, 113544, 124260, 135705, 141930, 149112, 162846, 171893, 180940, 186390, 189240, 217128, 248520, 271410, 283860, 325692, 343786, 361880, 372780, 407115, 515679, 542820, 567720, 651384, 687572, 745560, 814230, 859465, 1031358, 1085640, 1375144, 1547037, 1628460, 1718930, 2062716, 2578395, 3094074, 3256920, 3437860, 4125432, 5156790, 6188148, 6875720, 7735185, 10313580, 12376296, 15470370, 20627160, 30940740, 61881480]

約数ペア:

[(1, 61881480), (2, 30940740), (3, 20627160), (4, 15470370), (5, 12376296), (6, 10313580), (8, 7735185), (9, 6875720), (10, 6188148), (12, 5156790), (15, 4125432), (18, 3437860), (19, 3256920), (20, 3094074), (24, 2578395), (30, 2062716), (36, 1718930), (38, 1628460), (40, 1547037), (45, 1375144), (57, 1085640), (60, 1031358), (72, 859465), (76, 814230), (83, 745560), (90, 687572), (95, 651384), (109, 567720), (114, 542820), (120, 515679), (152, 407115), (166, 372780), (171, 361880), (180, 343786), (190, 325692), (218, 283860), (228, 271410), (249, 248520), (285, 217128), (327, 189240), (332, 186390), (342, 180940), (360, 171893), (380, 162846), (415, 149112), (436, 141930), (456, 135705), (498, 124260), (545, 113544), (570, 108564), (654, 94620), (664, 93195), (684, 90470), (747, 82840), (760, 81423), (830, 74556), (855, 72376), (872, 70965), (981, 63080), (996, 62130), (1090, 56772), (1140, 54282), (1245, 49704), (1308, 47310), (1368, 45235), (1494, 41420), (1577, 39240), (1635, 37848), (1660, 37278), (1710, 36188), (1962, 31540), (1992, 31065), (2071, 29880), (2180, 28386), (2280, 27141), (2490, 24852), (2616, 23655), (2988, 20710), (3154, 19620), (3270, 18924), (3320, 18639), (3420, 18094), (3735, 16568), (3924, 15770), (4142, 14940), (4360, 14193), (4731, 13080), (4905, 12616), (4980, 12426), (5976, 10355), (6213, 9960), (6308, 9810), (6540, 9462), (6840, 9047), (7470, 8284), (7848, 7885)]