31397310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 102136320

約数和(自身を除く): 70739010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 43, 45, 57, 61, 63, 70, 86, 90, 95, 105, 114, 122, 126, 129, 133, 171, 183, 190, 210, 215, 258, 266, 285, 301, 305, 315, 342, 366, 387, 399, 427, 430, 549, 570, 602, 610, 630, 645, 665, 774, 798, 817, 854, 855, 903, 915, 1098, 1159, 1197, 1281, 1290, 1330, 1505, 1634, 1710, 1806, 1830, 1935, 1995, 2135, 2318, 2394, 2451, 2562, 2623, 2709, 2745, 3010, 3477, 3843, 3870, 3990, 4085, 4270, 4515, 4902, 5246, 5418, 5490, 5719, 5795, 5985, 6405, 6954, 7353, 7686, 7869, 8113, 8170, 9030, 10431, 11438, 11590, 11970, 12255, 12810, 13115, 13545, 14706, 15738, 16226, 17157, 17385, 18361, 19215, 20862, 23607, 24339, 24510, 26230, 27090, 28595, 34314, 34770, 36722, 36765, 38430, 39345, 40565, 47214, 48678, 49837, 51471, 52155, 55083, 57190, 73017, 73530, 78690, 81130, 85785, 91805, 99674, 102942, 104310, 110166, 118035, 121695, 146034, 149511, 165249, 171570, 183610, 236070, 243390, 249185, 257355, 275415, 299022, 330498, 348859, 365085, 448533, 498370, 514710, 550830, 697718, 730170, 747555, 826245, 897066, 1046577, 1495110, 1652490, 1744295, 2093154, 2242665, 3139731, 3488590, 4485330, 5232885, 6279462, 10465770, 15698655, 31397310]

約数ペア:

[(1, 31397310), (2, 15698655), (3, 10465770), (5, 6279462), (6, 5232885), (7, 4485330), (9, 3488590), (10, 3139731), (14, 2242665), (15, 2093154), (18, 1744295), (19, 1652490), (21, 1495110), (30, 1046577), (35, 897066), (38, 826245), (42, 747555), (43, 730170), (45, 697718), (57, 550830), (61, 514710), (63, 498370), (70, 448533), (86, 365085), (90, 348859), (95, 330498), (105, 299022), (114, 275415), (122, 257355), (126, 249185), (129, 243390), (133, 236070), (171, 183610), (183, 171570), (190, 165249), (210, 149511), (215, 146034), (258, 121695), (266, 118035), (285, 110166), (301, 104310), (305, 102942), (315, 99674), (342, 91805), (366, 85785), (387, 81130), (399, 78690), (427, 73530), (430, 73017), (549, 57190), (570, 55083), (602, 52155), (610, 51471), (630, 49837), (645, 48678), (665, 47214), (774, 40565), (798, 39345), (817, 38430), (854, 36765), (855, 36722), (903, 34770), (915, 34314), (1098, 28595), (1159, 27090), (1197, 26230), (1281, 24510), (1290, 24339), (1330, 23607), (1505, 20862), (1634, 19215), (1710, 18361), (1806, 17385), (1830, 17157), (1935, 16226), (1995, 15738), (2135, 14706), (2318, 13545), (2394, 13115), (2451, 12810), (2562, 12255), (2623, 11970), (2709, 11590), (2745, 11438), (3010, 10431), (3477, 9030), (3843, 8170), (3870, 8113), (3990, 7869), (4085, 7686), (4270, 7353), (4515, 6954), (4902, 6405), (5246, 5985), (5418, 5795), (5490, 5719)]