642352620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1760

約数の個数: 192

約数和(自身を含む): 2246178816

約数和(自身を除く): 1603826196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 71, 78, 84, 91, 105, 130, 140, 142, 156, 182, 195, 210, 213, 260, 273, 284, 355, 364, 390, 420, 426, 455, 497, 546, 710, 780, 852, 910, 923, 994, 1065, 1092, 1365, 1420, 1491, 1657, 1820, 1846, 1988, 2130, 2485, 2730, 2769, 2982, 3314, 3692, 4260, 4615, 4970, 4971, 5460, 5538, 5964, 6461, 6628, 7455, 8285, 9230, 9940, 9942, 11076, 11599, 12922, 13845, 14910, 16570, 18460, 19383, 19884, 21541, 23198, 24855, 25844, 27690, 29820, 32305, 33140, 34797, 38766, 43082, 46396, 49710, 55380, 57995, 64610, 64623, 69594, 77532, 86164, 96915, 99420, 107705, 115990, 117647, 129220, 129246, 139188, 150787, 173985, 193830, 215410, 231980, 235294, 258492, 301574, 323115, 347970, 352941, 387660, 430820, 452361, 470588, 588235, 603148, 646230, 695940, 705882, 753935, 823529, 904722, 1176470, 1292460, 1411764, 1507870, 1529411, 1647058, 1764705, 1809444, 2261805, 2352940, 2470587, 3015740, 3058822, 3294116, 3529410, 4117645, 4523610, 4588233, 4941174, 6117644, 7058820, 7647055, 8235290, 9047220, 9176466, 9882348, 10705877, 12352935, 15294110, 16470580, 18352932, 21411754, 22941165, 24705870, 30588220, 32117631, 42823508, 45882330, 49411740, 53529385, 64235262, 91764660, 107058770, 128470524, 160588155, 214117540, 321176310, 642352620]

約数ペア:

[(1, 642352620), (2, 321176310), (3, 214117540), (4, 160588155), (5, 128470524), (6, 107058770), (7, 91764660), (10, 64235262), (12, 53529385), (13, 49411740), (14, 45882330), (15, 42823508), (20, 32117631), (21, 30588220), (26, 24705870), (28, 22941165), (30, 21411754), (35, 18352932), (39, 16470580), (42, 15294110), (52, 12352935), (60, 10705877), (65, 9882348), (70, 9176466), (71, 9047220), (78, 8235290), (84, 7647055), (91, 7058820), (105, 6117644), (130, 4941174), (140, 4588233), (142, 4523610), (156, 4117645), (182, 3529410), (195, 3294116), (210, 3058822), (213, 3015740), (260, 2470587), (273, 2352940), (284, 2261805), (355, 1809444), (364, 1764705), (390, 1647058), (420, 1529411), (426, 1507870), (455, 1411764), (497, 1292460), (546, 1176470), (710, 904722), (780, 823529), (852, 753935), (910, 705882), (923, 695940), (994, 646230), (1065, 603148), (1092, 588235), (1365, 470588), (1420, 452361), (1491, 430820), (1657, 387660), (1820, 352941), (1846, 347970), (1988, 323115), (2130, 301574), (2485, 258492), (2730, 235294), (2769, 231980), (2982, 215410), (3314, 193830), (3692, 173985), (4260, 150787), (4615, 139188), (4970, 129246), (4971, 129220), (5460, 117647), (5538, 115990), (5964, 107705), (6461, 99420), (6628, 96915), (7455, 86164), (8285, 77532), (9230, 69594), (9940, 64623), (9942, 64610), (11076, 57995), (11599, 55380), (12922, 49710), (13845, 46396), (14910, 43082), (16570, 38766), (18460, 34797), (19383, 33140), (19884, 32305), (21541, 29820), (23198, 27690), (24855, 25844)]