644172732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 2011472736

約数和(自身を除く): 1367300004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 73, 76, 84, 97, 114, 126, 133, 146, 171, 194, 219, 228, 252, 266, 291, 292, 342, 361, 388, 399, 438, 511, 532, 582, 657, 679, 684, 722, 798, 873, 876, 1022, 1083, 1164, 1197, 1314, 1358, 1387, 1444, 1533, 1596, 1746, 1843, 2037, 2044, 2166, 2394, 2527, 2628, 2716, 2774, 3066, 3249, 3492, 3686, 4074, 4161, 4332, 4599, 4788, 5054, 5529, 5548, 6111, 6132, 6498, 7081, 7372, 7581, 8148, 8322, 9198, 9709, 10108, 11058, 12222, 12483, 12901, 12996, 14162, 15162, 16587, 16644, 18396, 19418, 21243, 22116, 22743, 24444, 24966, 25802, 26353, 28324, 29127, 30324, 33174, 35017, 38703, 38836, 42486, 45486, 49567, 49932, 51604, 52706, 58254, 63729, 66348, 70034, 77406, 79059, 84972, 87381, 90972, 99134, 105051, 105412, 116109, 116508, 127458, 134539, 140068, 148701, 154812, 158118, 174762, 184471, 198268, 210102, 232218, 237177, 245119, 254916, 269078, 297402, 315153, 316236, 349524, 368942, 403617, 420204, 446103, 464436, 474354, 490238, 538156, 553413, 594804, 630306, 735357, 737884, 807234, 892206, 941773, 948708, 980476, 1106826, 1210851, 1260612, 1470714, 1614468, 1660239, 1784412, 1883546, 2206071, 2213652, 2421702, 2556241, 2825319, 2941428, 3320478, 3767092, 4412142, 4843404, 5112482, 5650638, 6640956, 7668723, 8475957, 8824284, 10224964, 11301276, 15337446, 16951914, 17893687, 23006169, 30674892, 33903828, 35787374, 46012338, 53681061, 71574748, 92024676, 107362122, 161043183, 214724244, 322086366, 644172732]

約数ペア:

[(1, 644172732), (2, 322086366), (3, 214724244), (4, 161043183), (6, 107362122), (7, 92024676), (9, 71574748), (12, 53681061), (14, 46012338), (18, 35787374), (19, 33903828), (21, 30674892), (28, 23006169), (36, 17893687), (38, 16951914), (42, 15337446), (57, 11301276), (63, 10224964), (73, 8824284), (76, 8475957), (84, 7668723), (97, 6640956), (114, 5650638), (126, 5112482), (133, 4843404), (146, 4412142), (171, 3767092), (194, 3320478), (219, 2941428), (228, 2825319), (252, 2556241), (266, 2421702), (291, 2213652), (292, 2206071), (342, 1883546), (361, 1784412), (388, 1660239), (399, 1614468), (438, 1470714), (511, 1260612), (532, 1210851), (582, 1106826), (657, 980476), (679, 948708), (684, 941773), (722, 892206), (798, 807234), (873, 737884), (876, 735357), (1022, 630306), (1083, 594804), (1164, 553413), (1197, 538156), (1314, 490238), (1358, 474354), (1387, 464436), (1444, 446103), (1533, 420204), (1596, 403617), (1746, 368942), (1843, 349524), (2037, 316236), (2044, 315153), (2166, 297402), (2394, 269078), (2527, 254916), (2628, 245119), (2716, 237177), (2774, 232218), (3066, 210102), (3249, 198268), (3492, 184471), (3686, 174762), (4074, 158118), (4161, 154812), (4332, 148701), (4599, 140068), (4788, 134539), (5054, 127458), (5529, 116508), (5548, 116109), (6111, 105412), (6132, 105051), (6498, 99134), (7081, 90972), (7372, 87381), (7581, 84972), (8148, 79059), (8322, 77406), (9198, 70034), (9709, 66348), (10108, 63729), (11058, 58254), (12222, 52706), (12483, 51604), (12901, 49932), (12996, 49567), (14162, 45486), (15162, 42486), (16587, 38836), (16644, 38703), (18396, 35017), (19418, 33174), (21243, 30324), (22116, 29127), (22743, 28324), (24444, 26353), (24966, 25802)]