11111580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^3$

素因数の和:78

約数の個数: 120

約数和(自身を含む): 36793680

約数和(自身を除く): 25682100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 361, 380, 405, 513, 540, 570, 684, 722, 810, 855, 1026, 1083, 1140, 1444, 1539, 1620, 1710, 1805, 2052, 2166, 2565, 3078, 3249, 3420, 3610, 4332, 5130, 5415, 6156, 6498, 6859, 7220, 7695, 9747, 10260, 10830, 12996, 13718, 15390, 16245, 19494, 20577, 21660, 27436, 29241, 30780, 32490, 34295, 38988, 41154, 48735, 58482, 61731, 64980, 68590, 82308, 97470, 102885, 116964, 123462, 137180, 146205, 185193, 194940, 205770, 246924, 292410, 308655, 370386, 411540, 555579, 584820, 617310, 740772, 925965, 1111158, 1234620, 1851930, 2222316, 2777895, 3703860, 5555790, 11111580]

約数ペア:

[(1, 11111580), (2, 5555790), (3, 3703860), (4, 2777895), (5, 2222316), (6, 1851930), (9, 1234620), (10, 1111158), (12, 925965), (15, 740772), (18, 617310), (19, 584820), (20, 555579), (27, 411540), (30, 370386), (36, 308655), (38, 292410), (45, 246924), (54, 205770), (57, 194940), (60, 185193), (76, 146205), (81, 137180), (90, 123462), (95, 116964), (108, 102885), (114, 97470), (135, 82308), (162, 68590), (171, 64980), (180, 61731), (190, 58482), (228, 48735), (270, 41154), (285, 38988), (324, 34295), (342, 32490), (361, 30780), (380, 29241), (405, 27436), (513, 21660), (540, 20577), (570, 19494), (684, 16245), (722, 15390), (810, 13718), (855, 12996), (1026, 10830), (1083, 10260), (1140, 9747), (1444, 7695), (1539, 7220), (1620, 6859), (1710, 6498), (1805, 6156), (2052, 5415), (2166, 5130), (2565, 4332), (3078, 3610), (3249, 3420)]