87965820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 301719600

約数和(自身を除く): 213753780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 89, 90, 95, 102, 114, 153, 170, 171, 178, 180, 190, 204, 228, 255, 267, 285, 289, 306, 323, 340, 342, 356, 380, 445, 510, 534, 570, 578, 612, 646, 684, 765, 801, 855, 867, 890, 969, 1020, 1068, 1140, 1156, 1292, 1335, 1445, 1513, 1530, 1602, 1615, 1691, 1710, 1734, 1780, 1938, 2601, 2670, 2890, 2907, 3026, 3060, 3204, 3230, 3382, 3420, 3468, 3876, 4005, 4335, 4539, 4845, 5073, 5202, 5340, 5491, 5780, 5814, 6052, 6460, 6764, 7565, 8010, 8455, 8670, 9078, 9690, 10146, 10404, 10982, 11628, 13005, 13617, 14535, 15130, 15219, 16020, 16473, 16910, 17340, 18156, 19380, 20292, 21964, 22695, 25365, 25721, 26010, 27234, 27455, 28747, 29070, 30260, 30438, 32946, 33820, 45390, 49419, 50730, 51442, 52020, 54468, 54910, 57494, 58140, 60876, 65892, 68085, 76095, 77163, 82365, 86241, 90780, 98838, 101460, 102884, 109820, 114988, 128605, 136170, 143735, 152190, 154326, 164730, 172482, 197676, 231489, 247095, 257210, 258723, 272340, 287470, 304380, 308652, 329460, 344964, 385815, 431205, 462978, 488699, 494190, 514420, 517446, 574940, 771630, 862410, 925956, 977398, 988380, 1034892, 1157445, 1293615, 1466097, 1543260, 1724820, 1954796, 2314890, 2443495, 2587230, 2932194, 4398291, 4629780, 4886990, 5174460, 5864388, 7330485, 8796582, 9773980, 14660970, 17593164, 21991455, 29321940, 43982910, 87965820]

約数ペア:

[(1, 87965820), (2, 43982910), (3, 29321940), (4, 21991455), (5, 17593164), (6, 14660970), (9, 9773980), (10, 8796582), (12, 7330485), (15, 5864388), (17, 5174460), (18, 4886990), (19, 4629780), (20, 4398291), (30, 2932194), (34, 2587230), (36, 2443495), (38, 2314890), (45, 1954796), (51, 1724820), (57, 1543260), (60, 1466097), (68, 1293615), (76, 1157445), (85, 1034892), (89, 988380), (90, 977398), (95, 925956), (102, 862410), (114, 771630), (153, 574940), (170, 517446), (171, 514420), (178, 494190), (180, 488699), (190, 462978), (204, 431205), (228, 385815), (255, 344964), (267, 329460), (285, 308652), (289, 304380), (306, 287470), (323, 272340), (340, 258723), (342, 257210), (356, 247095), (380, 231489), (445, 197676), (510, 172482), (534, 164730), (570, 154326), (578, 152190), (612, 143735), (646, 136170), (684, 128605), (765, 114988), (801, 109820), (855, 102884), (867, 101460), (890, 98838), (969, 90780), (1020, 86241), (1068, 82365), (1140, 77163), (1156, 76095), (1292, 68085), (1335, 65892), (1445, 60876), (1513, 58140), (1530, 57494), (1602, 54910), (1615, 54468), (1691, 52020), (1710, 51442), (1734, 50730), (1780, 49419), (1938, 45390), (2601, 33820), (2670, 32946), (2890, 30438), (2907, 30260), (3026, 29070), (3060, 28747), (3204, 27455), (3230, 27234), (3382, 26010), (3420, 25721), (3468, 25365), (3876, 22695), (4005, 21964), (4335, 20292), (4539, 19380), (4845, 18156), (5073, 17340), (5202, 16910), (5340, 16473), (5491, 16020), (5780, 15219), (5814, 15130), (6052, 14535), (6460, 13617), (6764, 13005), (7565, 11628), (8010, 10982), (8455, 10404), (8670, 10146), (9078, 9690)]