1279587780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1783}}^1$

素因数の和:2247

約数の個数: 120

約数和(自身を含む): 4025431872

約数和(自身を除く): 2745844092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 443, 540, 810, 886, 1329, 1620, 1772, 1783, 2215, 2658, 3566, 3987, 4430, 5316, 5349, 6645, 7132, 7974, 8860, 8915, 10698, 11961, 13290, 15948, 16047, 17830, 19935, 21396, 23922, 26580, 26745, 32094, 35660, 35883, 39870, 47844, 48141, 53490, 59805, 64188, 71766, 79740, 80235, 96282, 106980, 119610, 143532, 144423, 160470, 179415, 192564, 239220, 240705, 288846, 320940, 358830, 481410, 577692, 717660, 722115, 789869, 962820, 1444230, 1579738, 2369607, 2888460, 3159476, 3949345, 4739214, 7108821, 7898690, 9478428, 11848035, 14217642, 15797380, 21326463, 23696070, 28435284, 35544105, 42652926, 47392140, 63979389, 71088210, 85305852, 106632315, 127958778, 142176420, 213264630, 255917556, 319896945, 426529260, 639793890, 1279587780]

約数ペア:

[(1, 1279587780), (2, 639793890), (3, 426529260), (4, 319896945), (5, 255917556), (6, 213264630), (9, 142176420), (10, 127958778), (12, 106632315), (15, 85305852), (18, 71088210), (20, 63979389), (27, 47392140), (30, 42652926), (36, 35544105), (45, 28435284), (54, 23696070), (60, 21326463), (81, 15797380), (90, 14217642), (108, 11848035), (135, 9478428), (162, 7898690), (180, 7108821), (270, 4739214), (324, 3949345), (405, 3159476), (443, 2888460), (540, 2369607), (810, 1579738), (886, 1444230), (1329, 962820), (1620, 789869), (1772, 722115), (1783, 717660), (2215, 577692), (2658, 481410), (3566, 358830), (3987, 320940), (4430, 288846), (5316, 240705), (5349, 239220), (6645, 192564), (7132, 179415), (7974, 160470), (8860, 144423), (8915, 143532), (10698, 119610), (11961, 106980), (13290, 96282), (15948, 80235), (16047, 79740), (17830, 71766), (19935, 64188), (21396, 59805), (23922, 53490), (26580, 48141), (26745, 47844), (32094, 39870), (35660, 35883)]