15181320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 256

約数和(自身を含む): 59719680

約数和(自身を除く): 44538360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 53, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 106, 110, 120, 124, 132, 140, 154, 155, 159, 165, 168, 186, 210, 212, 217, 220, 231, 248, 264, 265, 280, 308, 310, 318, 330, 341, 371, 372, 385, 420, 424, 434, 440, 462, 465, 530, 583, 616, 620, 636, 651, 660, 682, 742, 744, 770, 795, 840, 868, 924, 930, 1023, 1060, 1085, 1113, 1155, 1166, 1240, 1272, 1302, 1320, 1364, 1484, 1540, 1590, 1643, 1705, 1736, 1749, 1848, 1855, 1860, 2046, 2120, 2170, 2226, 2310, 2332, 2387, 2604, 2728, 2915, 2968, 3080, 3180, 3255, 3286, 3410, 3498, 3710, 3720, 4081, 4092, 4340, 4452, 4620, 4664, 4774, 4929, 5115, 5208, 5565, 5830, 6360, 6510, 6572, 6820, 6996, 7161, 7420, 8162, 8184, 8215, 8680, 8745, 8904, 9240, 9548, 9858, 10230, 11130, 11501, 11660, 11935, 12243, 13020, 13144, 13640, 13992, 14322, 14840, 16324, 16430, 17490, 18073, 19096, 19716, 20405, 20460, 22260, 23002, 23320, 23870, 24486, 24645, 26040, 28644, 32648, 32860, 34503, 34980, 35805, 36146, 39432, 40810, 40920, 44520, 46004, 47740, 48972, 49290, 54219, 57288, 57505, 61215, 65720, 69006, 69960, 71610, 72292, 81620, 90365, 92008, 95480, 97944, 98580, 108438, 115010, 122430, 126511, 138012, 143220, 144584, 163240, 172515, 180730, 197160, 216876, 230020, 244860, 253022, 271095, 276024, 286440, 345030, 361460, 379533, 433752, 460040, 489720, 506044, 542190, 632555, 690060, 722920, 759066, 1012088, 1084380, 1265110, 1380120, 1518132, 1897665, 2168760, 2530220, 3036264, 3795330, 5060440, 7590660, 15181320]

約数ペア:

[(1, 15181320), (2, 7590660), (3, 5060440), (4, 3795330), (5, 3036264), (6, 2530220), (7, 2168760), (8, 1897665), (10, 1518132), (11, 1380120), (12, 1265110), (14, 1084380), (15, 1012088), (20, 759066), (21, 722920), (22, 690060), (24, 632555), (28, 542190), (30, 506044), (31, 489720), (33, 460040), (35, 433752), (40, 379533), (42, 361460), (44, 345030), (53, 286440), (55, 276024), (56, 271095), (60, 253022), (62, 244860), (66, 230020), (70, 216876), (77, 197160), (84, 180730), (88, 172515), (93, 163240), (105, 144584), (106, 143220), (110, 138012), (120, 126511), (124, 122430), (132, 115010), (140, 108438), (154, 98580), (155, 97944), (159, 95480), (165, 92008), (168, 90365), (186, 81620), (210, 72292), (212, 71610), (217, 69960), (220, 69006), (231, 65720), (248, 61215), (264, 57505), (265, 57288), (280, 54219), (308, 49290), (310, 48972), (318, 47740), (330, 46004), (341, 44520), (371, 40920), (372, 40810), (385, 39432), (420, 36146), (424, 35805), (434, 34980), (440, 34503), (462, 32860), (465, 32648), (530, 28644), (583, 26040), (616, 24645), (620, 24486), (636, 23870), (651, 23320), (660, 23002), (682, 22260), (742, 20460), (744, 20405), (770, 19716), (795, 19096), (840, 18073), (868, 17490), (924, 16430), (930, 16324), (1023, 14840), (1060, 14322), (1085, 13992), (1113, 13640), (1155, 13144), (1166, 13020), (1240, 12243), (1272, 11935), (1302, 11660), (1320, 11501), (1364, 11130), (1484, 10230), (1540, 9858), (1590, 9548), (1643, 9240), (1705, 8904), (1736, 8745), (1749, 8680), (1848, 8215), (1855, 8184), (1860, 8162), (2046, 7420), (2120, 7161), (2170, 6996), (2226, 6820), (2310, 6572), (2332, 6510), (2387, 6360), (2604, 5830), (2728, 5565), (2915, 5208), (2968, 5115), (3080, 4929), (3180, 4774), (3255, 4664), (3286, 4620), (3410, 4452), (3498, 4340), (3710, 4092), (3720, 4081)]