1223139720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:548

約数の個数: 256

約数和(自身を含む): 4200284160

約数和(自身を除く): 2977144440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 71, 88, 93, 110, 120, 124, 132, 142, 155, 165, 186, 213, 220, 248, 264, 284, 310, 330, 341, 355, 372, 421, 426, 440, 465, 568, 620, 660, 682, 710, 744, 781, 842, 852, 930, 1023, 1065, 1240, 1263, 1320, 1364, 1420, 1562, 1684, 1704, 1705, 1860, 2046, 2105, 2130, 2201, 2343, 2526, 2728, 2840, 3124, 3368, 3410, 3720, 3905, 4092, 4210, 4260, 4402, 4631, 4686, 5052, 5115, 6248, 6315, 6603, 6820, 7810, 8184, 8420, 8520, 8804, 9262, 9372, 10104, 10230, 11005, 11715, 12630, 13051, 13206, 13640, 13893, 15620, 16840, 17608, 18524, 18744, 20460, 22010, 23155, 23430, 24211, 25260, 26102, 26412, 27786, 29891, 31240, 33015, 37048, 39153, 40920, 44020, 46310, 46860, 48422, 50520, 52204, 52824, 55572, 59782, 65255, 66030, 69465, 72633, 78306, 88040, 89673, 92620, 93720, 96844, 104408, 111144, 119564, 121055, 130510, 132060, 138930, 143561, 145266, 149455, 156612, 179346, 185240, 193688, 195765, 239128, 242110, 261020, 264120, 277860, 287122, 290532, 298910, 313224, 328801, 358692, 363165, 391530, 430683, 448365, 484220, 522040, 555720, 574244, 581064, 597820, 657602, 717384, 717805, 726330, 783060, 861366, 896730, 926621, 968440, 986403, 1148488, 1195640, 1315204, 1435610, 1452660, 1566120, 1644005, 1722732, 1793460, 1853242, 1972806, 2153415, 2630408, 2779863, 2871220, 2905320, 3288010, 3445464, 3586920, 3706484, 3945612, 4306830, 4633105, 4932015, 5559726, 5742440, 6576020, 7412968, 7891224, 8613660, 9266210, 9864030, 10192831, 11119452, 13152040, 13899315, 17227320, 18532420, 19728060, 20385662, 22238904, 27798630, 30578493, 37064840, 39456120, 40771324, 50964155, 55597260, 61156986, 81542648, 101928310, 111194520, 122313972, 152892465, 203856620, 244627944, 305784930, 407713240, 611569860, 1223139720]

約数ペア:

[(1, 1223139720), (2, 611569860), (3, 407713240), (4, 305784930), (5, 244627944), (6, 203856620), (8, 152892465), (10, 122313972), (11, 111194520), (12, 101928310), (15, 81542648), (20, 61156986), (22, 55597260), (24, 50964155), (30, 40771324), (31, 39456120), (33, 37064840), (40, 30578493), (44, 27798630), (55, 22238904), (60, 20385662), (62, 19728060), (66, 18532420), (71, 17227320), (88, 13899315), (93, 13152040), (110, 11119452), (120, 10192831), (124, 9864030), (132, 9266210), (142, 8613660), (155, 7891224), (165, 7412968), (186, 6576020), (213, 5742440), (220, 5559726), (248, 4932015), (264, 4633105), (284, 4306830), (310, 3945612), (330, 3706484), (341, 3586920), (355, 3445464), (372, 3288010), (421, 2905320), (426, 2871220), (440, 2779863), (465, 2630408), (568, 2153415), (620, 1972806), (660, 1853242), (682, 1793460), (710, 1722732), (744, 1644005), (781, 1566120), (842, 1452660), (852, 1435610), (930, 1315204), (1023, 1195640), (1065, 1148488), (1240, 986403), (1263, 968440), (1320, 926621), (1364, 896730), (1420, 861366), (1562, 783060), (1684, 726330), (1704, 717805), (1705, 717384), (1860, 657602), (2046, 597820), (2105, 581064), (2130, 574244), (2201, 555720), (2343, 522040), (2526, 484220), (2728, 448365), (2840, 430683), (3124, 391530), (3368, 363165), (3410, 358692), (3720, 328801), (3905, 313224), (4092, 298910), (4210, 290532), (4260, 287122), (4402, 277860), (4631, 264120), (4686, 261020), (5052, 242110), (5115, 239128), (6248, 195765), (6315, 193688), (6603, 185240), (6820, 179346), (7810, 156612), (8184, 149455), (8420, 145266), (8520, 143561), (8804, 138930), (9262, 132060), (9372, 130510), (10104, 121055), (10230, 119564), (11005, 111144), (11715, 104408), (12630, 96844), (13051, 93720), (13206, 92620), (13640, 89673), (13893, 88040), (15620, 78306), (16840, 72633), (17608, 69465), (18524, 66030), (18744, 65255), (20460, 59782), (22010, 55572), (23155, 52824), (23430, 52204), (24211, 50520), (25260, 48422), (26102, 46860), (26412, 46310), (27786, 44020), (29891, 40920), (31240, 39153), (33015, 37048)]