7984805220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{19991}}^1$

素因数の和:20330

約数の個数: 144

約数和(自身を含む): 27769367808

約数和(自身を除く): 19784562588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 317, 420, 630, 634, 951, 1260, 1268, 1585, 1902, 2219, 2853, 3170, 3804, 4438, 4755, 5706, 6340, 6657, 8876, 9510, 11095, 11412, 13314, 14265, 19020, 19971, 19991, 22190, 26628, 28530, 33285, 39942, 39982, 44380, 57060, 59973, 66570, 79884, 79964, 99855, 99955, 119946, 133140, 139937, 179919, 199710, 199910, 239892, 279874, 299865, 359838, 399420, 399820, 419811, 559748, 599730, 699685, 719676, 839622, 899595, 1199460, 1259433, 1399370, 1679244, 1799190, 2099055, 2518866, 2798740, 3598380, 4198110, 5037732, 6297165, 6337147, 8396220, 12594330, 12674294, 19011441, 25188660, 25348588, 31685735, 38022882, 44360029, 57034323, 63371470, 76045764, 88720058, 95057205, 114068646, 126742940, 133080087, 177440116, 190114410, 221800145, 228137292, 266160174, 285171615, 380228820, 399240261, 443600290, 532320348, 570343230, 665400435, 798480522, 887200580, 1140686460, 1330800870, 1596961044, 1996201305, 2661601740, 3992402610, 7984805220]

約数ペア:

[(1, 7984805220), (2, 3992402610), (3, 2661601740), (4, 1996201305), (5, 1596961044), (6, 1330800870), (7, 1140686460), (9, 887200580), (10, 798480522), (12, 665400435), (14, 570343230), (15, 532320348), (18, 443600290), (20, 399240261), (21, 380228820), (28, 285171615), (30, 266160174), (35, 228137292), (36, 221800145), (42, 190114410), (45, 177440116), (60, 133080087), (63, 126742940), (70, 114068646), (84, 95057205), (90, 88720058), (105, 76045764), (126, 63371470), (140, 57034323), (180, 44360029), (210, 38022882), (252, 31685735), (315, 25348588), (317, 25188660), (420, 19011441), (630, 12674294), (634, 12594330), (951, 8396220), (1260, 6337147), (1268, 6297165), (1585, 5037732), (1902, 4198110), (2219, 3598380), (2853, 2798740), (3170, 2518866), (3804, 2099055), (4438, 1799190), (4755, 1679244), (5706, 1399370), (6340, 1259433), (6657, 1199460), (8876, 899595), (9510, 839622), (11095, 719676), (11412, 699685), (13314, 599730), (14265, 559748), (19020, 419811), (19971, 399820), (19991, 399420), (22190, 359838), (26628, 299865), (28530, 279874), (33285, 239892), (39942, 199910), (39982, 199710), (44380, 179919), (57060, 139937), (59973, 133140), (66570, 119946), (79884, 99955), (79964, 99855)]