208479780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1378

約数の個数: 144

約数和(自身を含む): 680359680

約数和(自身を除く): 471879900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 423, 470, 564, 570, 684, 705, 846, 855, 893, 940, 1140, 1297, 1410, 1692, 1710, 1786, 2115, 2594, 2679, 2820, 3420, 3572, 3891, 4230, 4465, 5188, 5358, 6485, 7782, 8037, 8460, 8930, 10716, 11673, 12970, 13395, 15564, 16074, 17860, 19455, 23346, 24643, 25940, 26790, 32148, 38910, 40185, 46692, 49286, 53580, 58365, 60959, 73929, 77820, 80370, 98572, 116730, 121918, 123215, 147858, 160740, 182877, 221787, 233460, 243836, 246430, 295716, 304795, 365754, 369645, 443574, 492860, 548631, 609590, 731508, 739290, 887148, 914385, 1097262, 1108935, 1158221, 1219180, 1478580, 1828770, 2194524, 2217870, 2316442, 2743155, 3474663, 3657540, 4435740, 4632884, 5486310, 5791105, 6949326, 10423989, 10972620, 11582210, 13898652, 17373315, 20847978, 23164420, 34746630, 41695956, 52119945, 69493260, 104239890, 208479780]

約数ペア:

[(1, 208479780), (2, 104239890), (3, 69493260), (4, 52119945), (5, 41695956), (6, 34746630), (9, 23164420), (10, 20847978), (12, 17373315), (15, 13898652), (18, 11582210), (19, 10972620), (20, 10423989), (30, 6949326), (36, 5791105), (38, 5486310), (45, 4632884), (47, 4435740), (57, 3657540), (60, 3474663), (76, 2743155), (90, 2316442), (94, 2217870), (95, 2194524), (114, 1828770), (141, 1478580), (171, 1219180), (180, 1158221), (188, 1108935), (190, 1097262), (228, 914385), (235, 887148), (282, 739290), (285, 731508), (342, 609590), (380, 548631), (423, 492860), (470, 443574), (564, 369645), (570, 365754), (684, 304795), (705, 295716), (846, 246430), (855, 243836), (893, 233460), (940, 221787), (1140, 182877), (1297, 160740), (1410, 147858), (1692, 123215), (1710, 121918), (1786, 116730), (2115, 98572), (2594, 80370), (2679, 77820), (2820, 73929), (3420, 60959), (3572, 58365), (3891, 53580), (4230, 49286), (4465, 46692), (5188, 40185), (5358, 38910), (6485, 32148), (7782, 26790), (8037, 25940), (8460, 24643), (8930, 23346), (10716, 19455), (11673, 17860), (12970, 16074), (13395, 15564)]