128205540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1973}}^1$

素因数の和:2026

約数の個数: 108

約数和(自身を含む): 410643324

約数和(自身を除く): 282437784

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 1973, 2166, 3249, 3420, 3610, 3946, 4332, 5415, 5919, 6498, 7220, 7892, 9865, 10830, 11838, 12996, 16245, 17757, 19730, 21660, 23676, 29595, 32490, 35514, 37487, 39460, 59190, 64980, 71028, 74974, 88785, 112461, 118380, 149948, 177570, 187435, 224922, 337383, 355140, 374870, 449844, 562305, 674766, 712253, 749740, 1124610, 1349532, 1424506, 1686915, 2136759, 2249220, 2849012, 3373830, 3561265, 4273518, 6410277, 6747660, 7122530, 8547036, 10683795, 12820554, 14245060, 21367590, 25641108, 32051385, 42735180, 64102770, 128205540]

約数ペア:

[(1, 128205540), (2, 64102770), (3, 42735180), (4, 32051385), (5, 25641108), (6, 21367590), (9, 14245060), (10, 12820554), (12, 10683795), (15, 8547036), (18, 7122530), (19, 6747660), (20, 6410277), (30, 4273518), (36, 3561265), (38, 3373830), (45, 2849012), (57, 2249220), (60, 2136759), (76, 1686915), (90, 1424506), (95, 1349532), (114, 1124610), (171, 749740), (180, 712253), (190, 674766), (228, 562305), (285, 449844), (342, 374870), (361, 355140), (380, 337383), (570, 224922), (684, 187435), (722, 177570), (855, 149948), (1083, 118380), (1140, 112461), (1444, 88785), (1710, 74974), (1805, 71028), (1973, 64980), (2166, 59190), (3249, 39460), (3420, 37487), (3610, 35514), (3946, 32490), (4332, 29595), (5415, 23676), (5919, 21660), (6498, 19730), (7220, 17757), (7892, 16245), (9865, 12996), (10830, 11838)]