15882480

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 59579520

約数和(自身を除く): 43697040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 43, 45, 48, 54, 57, 60, 72, 76, 80, 81, 86, 90, 95, 108, 114, 120, 129, 135, 144, 152, 162, 171, 172, 180, 190, 215, 216, 228, 240, 243, 258, 270, 285, 304, 324, 342, 344, 360, 380, 387, 405, 430, 432, 456, 486, 513, 516, 540, 570, 645, 648, 684, 688, 720, 760, 774, 810, 817, 855, 860, 912, 972, 1026, 1032, 1080, 1140, 1161, 1215, 1290, 1296, 1368, 1520, 1539, 1548, 1620, 1634, 1710, 1720, 1935, 1944, 2052, 2064, 2160, 2280, 2322, 2430, 2451, 2565, 2580, 2736, 3078, 3096, 3240, 3268, 3420, 3440, 3483, 3870, 3888, 4085, 4104, 4560, 4617, 4644, 4860, 4902, 5130, 5160, 5805, 6156, 6192, 6480, 6536, 6840, 6966, 7353, 7695, 7740, 8170, 8208, 9234, 9288, 9720, 9804, 10260, 10320, 10449, 11610, 12255, 12312, 13072, 13680, 13932, 14706, 15390, 15480, 16340, 17415, 18468, 18576, 19440, 19608, 20520, 20898, 22059, 23085, 23220, 24510, 24624, 27864, 29412, 30780, 30960, 32680, 34830, 36765, 36936, 39216, 41040, 41796, 44118, 46170, 46440, 49020, 52245, 55728, 58824, 61560, 65360, 66177, 69660, 73530, 73872, 83592, 88236, 92340, 92880, 98040, 104490, 110295, 117648, 123120, 132354, 139320, 147060, 167184, 176472, 184680, 196080, 198531, 208980, 220590, 264708, 278640, 294120, 330885, 352944, 369360, 397062, 417960, 441180, 529416, 588240, 661770, 794124, 835920, 882360, 992655, 1058832, 1323540, 1588248, 1764720, 1985310, 2647080, 3176496, 3970620, 5294160, 7941240, 15882480]

約数ペア:

[(1, 15882480), (2, 7941240), (3, 5294160), (4, 3970620), (5, 3176496), (6, 2647080), (8, 1985310), (9, 1764720), (10, 1588248), (12, 1323540), (15, 1058832), (16, 992655), (18, 882360), (19, 835920), (20, 794124), (24, 661770), (27, 588240), (30, 529416), (36, 441180), (38, 417960), (40, 397062), (43, 369360), (45, 352944), (48, 330885), (54, 294120), (57, 278640), (60, 264708), (72, 220590), (76, 208980), (80, 198531), (81, 196080), (86, 184680), (90, 176472), (95, 167184), (108, 147060), (114, 139320), (120, 132354), (129, 123120), (135, 117648), (144, 110295), (152, 104490), (162, 98040), (171, 92880), (172, 92340), (180, 88236), (190, 83592), (215, 73872), (216, 73530), (228, 69660), (240, 66177), (243, 65360), (258, 61560), (270, 58824), (285, 55728), (304, 52245), (324, 49020), (342, 46440), (344, 46170), (360, 44118), (380, 41796), (387, 41040), (405, 39216), (430, 36936), (432, 36765), (456, 34830), (486, 32680), (513, 30960), (516, 30780), (540, 29412), (570, 27864), (645, 24624), (648, 24510), (684, 23220), (688, 23085), (720, 22059), (760, 20898), (774, 20520), (810, 19608), (817, 19440), (855, 18576), (860, 18468), (912, 17415), (972, 16340), (1026, 15480), (1032, 15390), (1080, 14706), (1140, 13932), (1161, 13680), (1215, 13072), (1290, 12312), (1296, 12255), (1368, 11610), (1520, 10449), (1539, 10320), (1548, 10260), (1620, 9804), (1634, 9720), (1710, 9288), (1720, 9234), (1935, 8208), (1944, 8170), (2052, 7740), (2064, 7695), (2160, 7353), (2280, 6966), (2322, 6840), (2430, 6536), (2451, 6480), (2565, 6192), (2580, 6156), (2736, 5805), (3078, 5160), (3096, 5130), (3240, 4902), (3268, 4860), (3420, 4644), (3440, 4617), (3483, 4560), (3870, 4104), (3888, 4085)]