172565220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 528450048

約数和(自身を除く): 355884828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 257, 285, 310, 361, 372, 380, 465, 514, 570, 589, 620, 722, 771, 930, 1028, 1083, 1140, 1178, 1285, 1444, 1542, 1767, 1805, 1860, 2166, 2356, 2570, 2945, 3084, 3534, 3610, 3855, 4332, 4883, 5140, 5415, 5890, 7068, 7220, 7710, 7967, 8835, 9766, 10830, 11191, 11780, 14649, 15420, 15934, 17670, 19532, 21660, 22382, 23901, 24415, 29298, 31868, 33573, 35340, 39835, 44764, 47802, 48830, 55955, 58596, 67146, 73245, 79670, 92777, 95604, 97660, 111910, 119505, 134292, 146490, 151373, 159340, 167865, 185554, 223820, 239010, 278331, 292980, 302746, 335730, 371108, 454119, 463885, 478020, 556662, 605492, 671460, 756865, 908238, 927770, 1113324, 1391655, 1513730, 1816476, 1855540, 2270595, 2783310, 2876087, 3027460, 4541190, 5566620, 5752174, 8628261, 9082380, 11504348, 14380435, 17256522, 28760870, 34513044, 43141305, 57521740, 86282610, 172565220]

約数ペア:

[(1, 172565220), (2, 86282610), (3, 57521740), (4, 43141305), (5, 34513044), (6, 28760870), (10, 17256522), (12, 14380435), (15, 11504348), (19, 9082380), (20, 8628261), (30, 5752174), (31, 5566620), (38, 4541190), (57, 3027460), (60, 2876087), (62, 2783310), (76, 2270595), (93, 1855540), (95, 1816476), (114, 1513730), (124, 1391655), (155, 1113324), (186, 927770), (190, 908238), (228, 756865), (257, 671460), (285, 605492), (310, 556662), (361, 478020), (372, 463885), (380, 454119), (465, 371108), (514, 335730), (570, 302746), (589, 292980), (620, 278331), (722, 239010), (771, 223820), (930, 185554), (1028, 167865), (1083, 159340), (1140, 151373), (1178, 146490), (1285, 134292), (1444, 119505), (1542, 111910), (1767, 97660), (1805, 95604), (1860, 92777), (2166, 79670), (2356, 73245), (2570, 67146), (2945, 58596), (3084, 55955), (3534, 48830), (3610, 47802), (3855, 44764), (4332, 39835), (4883, 35340), (5140, 33573), (5415, 31868), (5890, 29298), (7068, 24415), (7220, 23901), (7710, 22382), (7967, 21660), (8835, 19532), (9766, 17670), (10830, 15934), (11191, 15420), (11780, 14649)]