78161580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 288

約数和(自身を含む): 297198720

約数和(自身を除く): 219037140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 41, 42, 45, 51, 60, 63, 68, 70, 82, 84, 85, 89, 90, 102, 105, 119, 123, 126, 140, 153, 164, 170, 178, 180, 204, 205, 210, 238, 246, 252, 255, 267, 287, 306, 315, 340, 356, 357, 369, 410, 420, 445, 476, 492, 510, 534, 574, 595, 612, 615, 623, 630, 697, 714, 738, 765, 801, 820, 861, 890, 1020, 1068, 1071, 1148, 1190, 1230, 1246, 1260, 1335, 1394, 1428, 1435, 1476, 1513, 1530, 1602, 1722, 1780, 1785, 1845, 1869, 2091, 2142, 2380, 2460, 2492, 2583, 2670, 2788, 2870, 3026, 3060, 3115, 3204, 3444, 3485, 3570, 3649, 3690, 3738, 4005, 4182, 4284, 4305, 4539, 4879, 5166, 5340, 5355, 5607, 5740, 6052, 6230, 6273, 6970, 7140, 7298, 7380, 7476, 7565, 8010, 8364, 8610, 9078, 9345, 9758, 10332, 10455, 10591, 10710, 10947, 11214, 12460, 12546, 12915, 13617, 13940, 14596, 14637, 15130, 16020, 17220, 18156, 18245, 18690, 19516, 20910, 21182, 21420, 21894, 22428, 22695, 24395, 25092, 25543, 25830, 27234, 28035, 29274, 30260, 31365, 31773, 32841, 36490, 37380, 41820, 42364, 43788, 43911, 45390, 48790, 51086, 51660, 52955, 54468, 54735, 56070, 58548, 62033, 62730, 63546, 65682, 68085, 72980, 73185, 76629, 87822, 90780, 95319, 97580, 102172, 105910, 109470, 112140, 124066, 125460, 127092, 127715, 131364, 136170, 146370, 153258, 158865, 164205, 175644, 186099, 190638, 211820, 218940, 219555, 229887, 248132, 255430, 272340, 292740, 306516, 310165, 317730, 328410, 372198, 381276, 383145, 434231, 439110, 459774, 476595, 510860, 558297, 620330, 635460, 656820, 744396, 766290, 868462, 878220, 919548, 930495, 953190, 1116594, 1149435, 1240660, 1302693, 1532580, 1736924, 1860990, 1906380, 2171155, 2233188, 2298870, 2605386, 2791485, 3721980, 3908079, 4342310, 4597740, 5210772, 5582970, 6513465, 7816158, 8684620, 11165940, 13026930, 15632316, 19540395, 26053860, 39080790, 78161580]

約数ペア:

[(1, 78161580), (2, 39080790), (3, 26053860), (4, 19540395), (5, 15632316), (6, 13026930), (7, 11165940), (9, 8684620), (10, 7816158), (12, 6513465), (14, 5582970), (15, 5210772), (17, 4597740), (18, 4342310), (20, 3908079), (21, 3721980), (28, 2791485), (30, 2605386), (34, 2298870), (35, 2233188), (36, 2171155), (41, 1906380), (42, 1860990), (45, 1736924), (51, 1532580), (60, 1302693), (63, 1240660), (68, 1149435), (70, 1116594), (82, 953190), (84, 930495), (85, 919548), (89, 878220), (90, 868462), (102, 766290), (105, 744396), (119, 656820), (123, 635460), (126, 620330), (140, 558297), (153, 510860), (164, 476595), (170, 459774), (178, 439110), (180, 434231), (204, 383145), (205, 381276), (210, 372198), (238, 328410), (246, 317730), (252, 310165), (255, 306516), (267, 292740), (287, 272340), (306, 255430), (315, 248132), (340, 229887), (356, 219555), (357, 218940), (369, 211820), (410, 190638), (420, 186099), (445, 175644), (476, 164205), (492, 158865), (510, 153258), (534, 146370), (574, 136170), (595, 131364), (612, 127715), (615, 127092), (623, 125460), (630, 124066), (697, 112140), (714, 109470), (738, 105910), (765, 102172), (801, 97580), (820, 95319), (861, 90780), (890, 87822), (1020, 76629), (1068, 73185), (1071, 72980), (1148, 68085), (1190, 65682), (1230, 63546), (1246, 62730), (1260, 62033), (1335, 58548), (1394, 56070), (1428, 54735), (1435, 54468), (1476, 52955), (1513, 51660), (1530, 51086), (1602, 48790), (1722, 45390), (1780, 43911), (1785, 43788), (1845, 42364), (1869, 41820), (2091, 37380), (2142, 36490), (2380, 32841), (2460, 31773), (2492, 31365), (2583, 30260), (2670, 29274), (2788, 28035), (2870, 27234), (3026, 25830), (3060, 25543), (3115, 25092), (3204, 24395), (3444, 22695), (3485, 22428), (3570, 21894), (3649, 21420), (3690, 21182), (3738, 20910), (4005, 19516), (4182, 18690), (4284, 18245), (4305, 18156), (4539, 17220), (4879, 16020), (5166, 15130), (5340, 14637), (5355, 14596), (5607, 13940), (5740, 13617), (6052, 12915), (6230, 12546), (6273, 12460), (6970, 11214), (7140, 10947), (7298, 10710), (7380, 10591), (7476, 10455), (7565, 10332), (8010, 9758), (8364, 9345), (8610, 9078)]