640172520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3697}}^1$

素因数の和:3764

約数の個数: 192

約数和(自身を含む): 2301783120

約数和(自身を除く): 1661610600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 180, 185, 195, 222, 234, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 666, 740, 780, 888, 936, 962, 1110, 1170, 1332, 1443, 1480, 1560, 1665, 1924, 2220, 2340, 2405, 2664, 2886, 3330, 3697, 3848, 4329, 4440, 4680, 4810, 5772, 6660, 7215, 7394, 8658, 9620, 11091, 11544, 13320, 14430, 14788, 17316, 18485, 19240, 21645, 22182, 28860, 29576, 33273, 34632, 36970, 43290, 44364, 48061, 55455, 57720, 66546, 73940, 86580, 88728, 96122, 110910, 133092, 136789, 144183, 147880, 166365, 173160, 192244, 221820, 240305, 266184, 273578, 288366, 332730, 384488, 410367, 432549, 443640, 480610, 547156, 576732, 665460, 683945, 720915, 820734, 865098, 961220, 1094312, 1153464, 1231101, 1330920, 1367890, 1441830, 1641468, 1730196, 1778257, 1922440, 2051835, 2162745, 2462202, 2735780, 2883660, 3282936, 3460392, 3556514, 4103670, 4325490, 4924404, 5334771, 5471560, 5767320, 6155505, 7113028, 8207340, 8650980, 8891285, 9848808, 10669542, 12311010, 14226056, 16004313, 16414680, 17301960, 17782570, 21339084, 24622020, 26673855, 32008626, 35565140, 42678168, 49244040, 53347710, 64017252, 71130280, 80021565, 106695420, 128034504, 160043130, 213390840, 320086260, 640172520]

約数ペア:

[(1, 640172520), (2, 320086260), (3, 213390840), (4, 160043130), (5, 128034504), (6, 106695420), (8, 80021565), (9, 71130280), (10, 64017252), (12, 53347710), (13, 49244040), (15, 42678168), (18, 35565140), (20, 32008626), (24, 26673855), (26, 24622020), (30, 21339084), (36, 17782570), (37, 17301960), (39, 16414680), (40, 16004313), (45, 14226056), (52, 12311010), (60, 10669542), (65, 9848808), (72, 8891285), (74, 8650980), (78, 8207340), (90, 7113028), (104, 6155505), (111, 5767320), (117, 5471560), (120, 5334771), (130, 4924404), (148, 4325490), (156, 4103670), (180, 3556514), (185, 3460392), (195, 3282936), (222, 2883660), (234, 2735780), (260, 2462202), (296, 2162745), (312, 2051835), (333, 1922440), (360, 1778257), (370, 1730196), (390, 1641468), (444, 1441830), (468, 1367890), (481, 1330920), (520, 1231101), (555, 1153464), (585, 1094312), (666, 961220), (740, 865098), (780, 820734), (888, 720915), (936, 683945), (962, 665460), (1110, 576732), (1170, 547156), (1332, 480610), (1443, 443640), (1480, 432549), (1560, 410367), (1665, 384488), (1924, 332730), (2220, 288366), (2340, 273578), (2405, 266184), (2664, 240305), (2886, 221820), (3330, 192244), (3697, 173160), (3848, 166365), (4329, 147880), (4440, 144183), (4680, 136789), (4810, 133092), (5772, 110910), (6660, 96122), (7215, 88728), (7394, 86580), (8658, 73940), (9620, 66546), (11091, 57720), (11544, 55455), (13320, 48061), (14430, 44364), (14788, 43290), (17316, 36970), (18485, 34632), (19240, 33273), (21645, 29576), (22182, 28860)]