1640883930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^2\times {\mathrm{317}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 4543848576

約数和(自身を除く): 2902964646

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 317, 471, 634, 785, 942, 951, 1099, 1570, 1585, 1902, 2198, 2219, 2355, 3170, 3297, 4438, 4710, 4755, 5495, 6594, 6657, 9510, 10990, 11095, 13314, 16485, 22190, 24649, 32970, 33285, 49298, 49769, 66570, 73947, 99538, 123245, 147894, 149307, 172543, 246490, 248845, 298614, 345086, 348383, 369735, 497690, 517629, 696766, 739470, 746535, 862715, 1035258, 1045149, 1493070, 1725430, 1741915, 2090298, 2588145, 3483830, 5176290, 5225745, 7813733, 10451490, 15627466, 23441199, 39068665, 46882398, 54696131, 78137330, 109392262, 117205995, 164088393, 234411990, 273480655, 328176786, 546961310, 820441965, 1640883930]

約数ペア:

[(1, 1640883930), (2, 820441965), (3, 546961310), (5, 328176786), (6, 273480655), (7, 234411990), (10, 164088393), (14, 117205995), (15, 109392262), (21, 78137330), (30, 54696131), (35, 46882398), (42, 39068665), (70, 23441199), (105, 15627466), (157, 10451490), (210, 7813733), (314, 5225745), (317, 5176290), (471, 3483830), (634, 2588145), (785, 2090298), (942, 1741915), (951, 1725430), (1099, 1493070), (1570, 1045149), (1585, 1035258), (1902, 862715), (2198, 746535), (2219, 739470), (2355, 696766), (3170, 517629), (3297, 497690), (4438, 369735), (4710, 348383), (4755, 345086), (5495, 298614), (6594, 248845), (6657, 246490), (9510, 172543), (10990, 149307), (11095, 147894), (13314, 123245), (16485, 99538), (22190, 73947), (24649, 66570), (32970, 49769), (33285, 49298)]