121816980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 412876800

約数和(自身を除く): 291059820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 76, 90, 93, 95, 108, 114, 124, 135, 155, 171, 180, 186, 190, 228, 270, 279, 285, 310, 342, 372, 380, 383, 465, 513, 540, 558, 570, 589, 620, 684, 766, 837, 855, 930, 1026, 1116, 1140, 1149, 1178, 1395, 1532, 1674, 1710, 1767, 1860, 1915, 2052, 2298, 2356, 2565, 2790, 2945, 3348, 3420, 3447, 3534, 3830, 4185, 4596, 5130, 5301, 5580, 5745, 5890, 6894, 7068, 7277, 7660, 8370, 8835, 10260, 10341, 10602, 11490, 11780, 11873, 13788, 14554, 15903, 16740, 17235, 17670, 20682, 21204, 21831, 22980, 23746, 26505, 29108, 31806, 34470, 35340, 35619, 36385, 41364, 43662, 47492, 51705, 53010, 59365, 63612, 65493, 68940, 71238, 72770, 79515, 87324, 103410, 106020, 106857, 109155, 118730, 130986, 142476, 145540, 159030, 178095, 196479, 206820, 213714, 218310, 225587, 237460, 261972, 318060, 320571, 327465, 356190, 392958, 427428, 436620, 451174, 534285, 641142, 654930, 676761, 712380, 785916, 902348, 982395, 1068570, 1127935, 1282284, 1309860, 1353522, 1602855, 1964790, 2030283, 2137140, 2255870, 2707044, 3205710, 3383805, 3929580, 4060566, 4511740, 6090849, 6411420, 6767610, 8121132, 10151415, 12181698, 13535220, 20302830, 24363396, 30454245, 40605660, 60908490, 121816980]

約数ペア:

[(1, 121816980), (2, 60908490), (3, 40605660), (4, 30454245), (5, 24363396), (6, 20302830), (9, 13535220), (10, 12181698), (12, 10151415), (15, 8121132), (18, 6767610), (19, 6411420), (20, 6090849), (27, 4511740), (30, 4060566), (31, 3929580), (36, 3383805), (38, 3205710), (45, 2707044), (54, 2255870), (57, 2137140), (60, 2030283), (62, 1964790), (76, 1602855), (90, 1353522), (93, 1309860), (95, 1282284), (108, 1127935), (114, 1068570), (124, 982395), (135, 902348), (155, 785916), (171, 712380), (180, 676761), (186, 654930), (190, 641142), (228, 534285), (270, 451174), (279, 436620), (285, 427428), (310, 392958), (342, 356190), (372, 327465), (380, 320571), (383, 318060), (465, 261972), (513, 237460), (540, 225587), (558, 218310), (570, 213714), (589, 206820), (620, 196479), (684, 178095), (766, 159030), (837, 145540), (855, 142476), (930, 130986), (1026, 118730), (1116, 109155), (1140, 106857), (1149, 106020), (1178, 103410), (1395, 87324), (1532, 79515), (1674, 72770), (1710, 71238), (1767, 68940), (1860, 65493), (1915, 63612), (2052, 59365), (2298, 53010), (2356, 51705), (2565, 47492), (2790, 43662), (2945, 41364), (3348, 36385), (3420, 35619), (3447, 35340), (3534, 34470), (3830, 31806), (4185, 29108), (4596, 26505), (5130, 23746), (5301, 22980), (5580, 21831), (5745, 21204), (5890, 20682), (6894, 17670), (7068, 17235), (7277, 16740), (7660, 15903), (8370, 14554), (8835, 13788), (10260, 11873), (10341, 11780), (10602, 11490)]