217197240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4801}}^1$

素因数の和:4857

約数の個数: 128

約数和(自身を含む): 726062400

約数和(自身を除く): 508865160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 696, 754, 780, 870, 1131, 1160, 1508, 1560, 1740, 1885, 2262, 3016, 3480, 3770, 4524, 4801, 5655, 7540, 9048, 9602, 11310, 14403, 15080, 19204, 22620, 24005, 28806, 38408, 45240, 48010, 57612, 62413, 72015, 96020, 115224, 124826, 139229, 144030, 187239, 192040, 249652, 278458, 288060, 312065, 374478, 417687, 499304, 556916, 576120, 624130, 696145, 748956, 835374, 936195, 1113832, 1248260, 1392290, 1497912, 1670748, 1809977, 1872390, 2088435, 2496520, 2784580, 3341496, 3619954, 3744780, 4176870, 5429931, 5569160, 7239908, 7489560, 8353740, 9049885, 10859862, 14479816, 16707480, 18099770, 21719724, 27149655, 36199540, 43439448, 54299310, 72399080, 108598620, 217197240]

約数ペア:

[(1, 217197240), (2, 108598620), (3, 72399080), (4, 54299310), (5, 43439448), (6, 36199540), (8, 27149655), (10, 21719724), (12, 18099770), (13, 16707480), (15, 14479816), (20, 10859862), (24, 9049885), (26, 8353740), (29, 7489560), (30, 7239908), (39, 5569160), (40, 5429931), (52, 4176870), (58, 3744780), (60, 3619954), (65, 3341496), (78, 2784580), (87, 2496520), (104, 2088435), (116, 1872390), (120, 1809977), (130, 1670748), (145, 1497912), (156, 1392290), (174, 1248260), (195, 1113832), (232, 936195), (260, 835374), (290, 748956), (312, 696145), (348, 624130), (377, 576120), (390, 556916), (435, 499304), (520, 417687), (580, 374478), (696, 312065), (754, 288060), (780, 278458), (870, 249652), (1131, 192040), (1160, 187239), (1508, 144030), (1560, 139229), (1740, 124826), (1885, 115224), (2262, 96020), (3016, 72015), (3480, 62413), (3770, 57612), (4524, 48010), (4801, 45240), (5655, 38408), (7540, 28806), (9048, 24005), (9602, 22620), (11310, 19204), (14403, 15080)]