215538660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 216

約数和(自身を含む): 718937856

約数和(自身を除く): 503399196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 107, 114, 124, 155, 171, 180, 186, 190, 214, 228, 279, 285, 310, 321, 342, 361, 372, 380, 428, 465, 535, 558, 570, 589, 620, 642, 684, 722, 855, 930, 963, 1070, 1083, 1116, 1140, 1178, 1284, 1395, 1444, 1605, 1710, 1767, 1805, 1860, 1926, 2033, 2140, 2166, 2356, 2790, 2945, 3210, 3249, 3317, 3420, 3534, 3610, 3852, 4066, 4332, 4815, 5301, 5415, 5580, 5890, 6099, 6420, 6498, 6634, 7068, 7220, 8132, 8835, 9630, 9951, 10165, 10602, 10830, 11191, 11780, 12198, 12996, 13268, 16245, 16585, 17670, 18297, 19260, 19902, 20330, 21204, 21660, 22382, 24396, 26505, 29853, 30495, 32490, 33170, 33573, 35340, 36594, 38627, 39804, 40660, 44764, 49755, 53010, 55955, 59706, 60990, 63023, 64980, 66340, 67146, 73188, 77254, 91485, 99510, 100719, 106020, 111910, 115881, 119412, 121980, 126046, 134292, 149265, 154508, 167865, 182970, 189069, 193135, 199020, 201438, 223820, 231762, 252092, 298530, 315115, 335730, 347643, 365940, 378138, 386270, 402876, 463524, 503595, 567207, 579405, 597060, 630230, 671460, 695286, 756276, 772540, 945345, 1007190, 1134414, 1158810, 1197437, 1260460, 1390572, 1738215, 1890690, 2014380, 2268828, 2317620, 2394874, 2836035, 3476430, 3592311, 3781380, 4789748, 5672070, 5987185, 6952860, 7184622, 10776933, 11344140, 11974370, 14369244, 17961555, 21553866, 23948740, 35923110, 43107732, 53884665, 71846220, 107769330, 215538660]

約数ペア:

[(1, 215538660), (2, 107769330), (3, 71846220), (4, 53884665), (5, 43107732), (6, 35923110), (9, 23948740), (10, 21553866), (12, 17961555), (15, 14369244), (18, 11974370), (19, 11344140), (20, 10776933), (30, 7184622), (31, 6952860), (36, 5987185), (38, 5672070), (45, 4789748), (57, 3781380), (60, 3592311), (62, 3476430), (76, 2836035), (90, 2394874), (93, 2317620), (95, 2268828), (107, 2014380), (114, 1890690), (124, 1738215), (155, 1390572), (171, 1260460), (180, 1197437), (186, 1158810), (190, 1134414), (214, 1007190), (228, 945345), (279, 772540), (285, 756276), (310, 695286), (321, 671460), (342, 630230), (361, 597060), (372, 579405), (380, 567207), (428, 503595), (465, 463524), (535, 402876), (558, 386270), (570, 378138), (589, 365940), (620, 347643), (642, 335730), (684, 315115), (722, 298530), (855, 252092), (930, 231762), (963, 223820), (1070, 201438), (1083, 199020), (1116, 193135), (1140, 189069), (1178, 182970), (1284, 167865), (1395, 154508), (1444, 149265), (1605, 134292), (1710, 126046), (1767, 121980), (1805, 119412), (1860, 115881), (1926, 111910), (2033, 106020), (2140, 100719), (2166, 99510), (2356, 91485), (2790, 77254), (2945, 73188), (3210, 67146), (3249, 66340), (3317, 64980), (3420, 63023), (3534, 60990), (3610, 59706), (3852, 55955), (4066, 53010), (4332, 49755), (4815, 44764), (5301, 40660), (5415, 39804), (5580, 38627), (5890, 36594), (6099, 35340), (6420, 33573), (6498, 33170), (6634, 32490), (7068, 30495), (7220, 29853), (8132, 26505), (8835, 24396), (9630, 22382), (9951, 21660), (10165, 21204), (10602, 20330), (10830, 19902), (11191, 19260), (11780, 18297), (12198, 17670), (12996, 16585), (13268, 16245)]