78371920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 213736320

約数和(自身を除く): 135364400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 37, 40, 44, 55, 58, 74, 80, 83, 88, 110, 116, 145, 148, 166, 176, 185, 220, 232, 290, 296, 319, 332, 370, 407, 415, 440, 464, 580, 592, 638, 664, 740, 814, 830, 880, 913, 1073, 1160, 1276, 1328, 1480, 1595, 1628, 1660, 1826, 2035, 2146, 2320, 2407, 2552, 2960, 3071, 3190, 3256, 3320, 3652, 4070, 4292, 4565, 4814, 5104, 5365, 6142, 6380, 6512, 6640, 7304, 8140, 8584, 9130, 9628, 10730, 11803, 12035, 12284, 12760, 14608, 15355, 16280, 17168, 18260, 19256, 21460, 23606, 24070, 24568, 25520, 26477, 30710, 32560, 33781, 36520, 38512, 42920, 47212, 48140, 49136, 52954, 59015, 61420, 67562, 73040, 85840, 89059, 94424, 96280, 105908, 118030, 122840, 132385, 135124, 168905, 178118, 188848, 192560, 211816, 236060, 245680, 264770, 270248, 337810, 356236, 423632, 445295, 472120, 529540, 540496, 675620, 712472, 890590, 944240, 979649, 1059080, 1351240, 1424944, 1781180, 1959298, 2118160, 2702480, 3562360, 3918596, 4898245, 7124720, 7837192, 9796490, 15674384, 19592980, 39185960, 78371920]

約数ペア:

[(1, 78371920), (2, 39185960), (4, 19592980), (5, 15674384), (8, 9796490), (10, 7837192), (11, 7124720), (16, 4898245), (20, 3918596), (22, 3562360), (29, 2702480), (37, 2118160), (40, 1959298), (44, 1781180), (55, 1424944), (58, 1351240), (74, 1059080), (80, 979649), (83, 944240), (88, 890590), (110, 712472), (116, 675620), (145, 540496), (148, 529540), (166, 472120), (176, 445295), (185, 423632), (220, 356236), (232, 337810), (290, 270248), (296, 264770), (319, 245680), (332, 236060), (370, 211816), (407, 192560), (415, 188848), (440, 178118), (464, 168905), (580, 135124), (592, 132385), (638, 122840), (664, 118030), (740, 105908), (814, 96280), (830, 94424), (880, 89059), (913, 85840), (1073, 73040), (1160, 67562), (1276, 61420), (1328, 59015), (1480, 52954), (1595, 49136), (1628, 48140), (1660, 47212), (1826, 42920), (2035, 38512), (2146, 36520), (2320, 33781), (2407, 32560), (2552, 30710), (2960, 26477), (3071, 25520), (3190, 24568), (3256, 24070), (3320, 23606), (3652, 21460), (4070, 19256), (4292, 18260), (4565, 17168), (4814, 16280), (5104, 15355), (5365, 14608), (6142, 12760), (6380, 12284), (6512, 12035), (6640, 11803), (7304, 10730), (8140, 9628), (8584, 9130)]