28038780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:74

約数の個数: 324

約数和(自身を含む): 114653448

約数和(自身を除く): 86614668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 33, 34, 35, 36, 42, 44, 45, 49, 51, 55, 60, 63, 66, 68, 70, 77, 84, 85, 90, 98, 99, 102, 105, 110, 119, 126, 132, 140, 147, 153, 154, 165, 170, 180, 187, 196, 198, 204, 210, 220, 231, 238, 245, 252, 255, 289, 294, 306, 308, 315, 330, 340, 357, 374, 385, 396, 420, 441, 462, 476, 490, 495, 510, 539, 561, 578, 588, 595, 612, 630, 660, 693, 714, 735, 748, 765, 770, 833, 867, 882, 924, 935, 980, 990, 1020, 1071, 1078, 1122, 1155, 1156, 1190, 1260, 1309, 1386, 1428, 1445, 1470, 1530, 1540, 1617, 1666, 1683, 1734, 1764, 1785, 1870, 1980, 2023, 2142, 2156, 2205, 2244, 2310, 2380, 2499, 2601, 2618, 2695, 2772, 2805, 2890, 2940, 3060, 3179, 3234, 3332, 3366, 3465, 3468, 3570, 3740, 3927, 4046, 4165, 4284, 4335, 4410, 4620, 4851, 4998, 5202, 5236, 5355, 5390, 5610, 5780, 6069, 6358, 6468, 6545, 6732, 6930, 7140, 7497, 7854, 8085, 8092, 8330, 8415, 8670, 8820, 9163, 9537, 9702, 9996, 10115, 10404, 10710, 10780, 11220, 11781, 12138, 12495, 12716, 13005, 13090, 13860, 14161, 14994, 15708, 15895, 16170, 16660, 16830, 17340, 18207, 18326, 19074, 19404, 19635, 20230, 21420, 22253, 23562, 24255, 24276, 24990, 26010, 26180, 27489, 28322, 28611, 29988, 30345, 31790, 32340, 33660, 36414, 36652, 37485, 38148, 39270, 40460, 42483, 44506, 45815, 47124, 47685, 48510, 49980, 52020, 54978, 56644, 57222, 58905, 60690, 63580, 66759, 70805, 72828, 74970, 78540, 82467, 84966, 89012, 91035, 91630, 95370, 97020, 109956, 111265, 114444, 117810, 121380, 127449, 133518, 137445, 141610, 143055, 149940, 155771, 164934, 169932, 182070, 183260, 190740, 200277, 212415, 222530, 235620, 254898, 267036, 274890, 283220, 286110, 311542, 329868, 333795, 364140, 400554, 412335, 424830, 445060, 467313, 509796, 549780, 572220, 623084, 637245, 667590, 778855, 801108, 824670, 849660, 934626, 1001385, 1274490, 1335180, 1401939, 1557710, 1649340, 1869252, 2002770, 2336565, 2548980, 2803878, 3115420, 4005540, 4673130, 5607756, 7009695, 9346260, 14019390, 28038780]

約数ペア:

[(1, 28038780), (2, 14019390), (3, 9346260), (4, 7009695), (5, 5607756), (6, 4673130), (7, 4005540), (9, 3115420), (10, 2803878), (11, 2548980), (12, 2336565), (14, 2002770), (15, 1869252), (17, 1649340), (18, 1557710), (20, 1401939), (21, 1335180), (22, 1274490), (28, 1001385), (30, 934626), (33, 849660), (34, 824670), (35, 801108), (36, 778855), (42, 667590), (44, 637245), (45, 623084), (49, 572220), (51, 549780), (55, 509796), (60, 467313), (63, 445060), (66, 424830), (68, 412335), (70, 400554), (77, 364140), (84, 333795), (85, 329868), (90, 311542), (98, 286110), (99, 283220), (102, 274890), (105, 267036), (110, 254898), (119, 235620), (126, 222530), (132, 212415), (140, 200277), (147, 190740), (153, 183260), (154, 182070), (165, 169932), (170, 164934), (180, 155771), (187, 149940), (196, 143055), (198, 141610), (204, 137445), (210, 133518), (220, 127449), (231, 121380), (238, 117810), (245, 114444), (252, 111265), (255, 109956), (289, 97020), (294, 95370), (306, 91630), (308, 91035), (315, 89012), (330, 84966), (340, 82467), (357, 78540), (374, 74970), (385, 72828), (396, 70805), (420, 66759), (441, 63580), (462, 60690), (476, 58905), (490, 57222), (495, 56644), (510, 54978), (539, 52020), (561, 49980), (578, 48510), (588, 47685), (595, 47124), (612, 45815), (630, 44506), (660, 42483), (693, 40460), (714, 39270), (735, 38148), (748, 37485), (765, 36652), (770, 36414), (833, 33660), (867, 32340), (882, 31790), (924, 30345), (935, 29988), (980, 28611), (990, 28322), (1020, 27489), (1071, 26180), (1078, 26010), (1122, 24990), (1155, 24276), (1156, 24255), (1190, 23562), (1260, 22253), (1309, 21420), (1386, 20230), (1428, 19635), (1445, 19404), (1470, 19074), (1530, 18326), (1540, 18207), (1617, 17340), (1666, 16830), (1683, 16660), (1734, 16170), (1764, 15895), (1785, 15708), (1870, 14994), (1980, 14161), (2023, 13860), (2142, 13090), (2156, 13005), (2205, 12716), (2244, 12495), (2310, 12138), (2380, 11781), (2499, 11220), (2601, 10780), (2618, 10710), (2695, 10404), (2772, 10115), (2805, 9996), (2890, 9702), (2940, 9537), (3060, 9163), (3179, 8820), (3234, 8670), (3332, 8415), (3366, 8330), (3465, 8092), (3468, 8085), (3570, 7854), (3740, 7497), (3927, 7140), (4046, 6930), (4165, 6732), (4284, 6545), (4335, 6468), (4410, 6358), (4620, 6069), (4851, 5780), (4998, 5610), (5202, 5390), (5236, 5355)]