1720349820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:934

約数の個数: 288

約数和(自身を含む): 6312499200

約数和(自身を除く): 4592149380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 79, 84, 90, 98, 105, 108, 126, 135, 140, 147, 158, 180, 189, 196, 210, 237, 245, 252, 270, 294, 315, 316, 378, 395, 420, 441, 474, 490, 540, 553, 588, 630, 711, 735, 756, 790, 823, 882, 945, 948, 980, 1106, 1185, 1260, 1323, 1422, 1470, 1580, 1646, 1659, 1764, 1890, 2133, 2205, 2212, 2370, 2469, 2646, 2765, 2844, 2940, 3292, 3318, 3555, 3780, 3871, 4115, 4266, 4410, 4740, 4938, 4977, 5292, 5530, 5761, 6615, 6636, 7110, 7407, 7742, 8230, 8295, 8532, 8820, 9876, 9954, 10665, 11060, 11522, 11613, 12345, 13230, 14220, 14814, 14931, 15484, 16460, 16590, 17283, 19355, 19908, 21330, 22221, 23044, 23226, 24690, 24885, 26460, 28805, 29628, 29862, 33180, 34566, 34839, 37035, 38710, 40327, 42660, 44442, 46452, 49380, 49770, 51849, 57610, 58065, 59724, 65017, 69132, 69678, 74070, 74655, 77420, 80654, 86415, 88884, 99540, 103698, 104517, 111105, 115220, 116130, 120981, 130034, 139356, 148140, 149310, 155547, 161308, 172830, 174195, 195051, 201635, 207396, 209034, 222210, 232260, 241962, 259245, 260068, 298620, 311094, 325085, 345660, 348390, 362943, 390102, 403270, 418068, 444420, 455119, 483924, 518490, 522585, 585153, 604905, 622188, 650170, 696780, 725886, 777735, 780204, 806540, 910238, 975255, 1036980, 1045170, 1088829, 1170306, 1209810, 1300340, 1365357, 1451772, 1555470, 1755459, 1814715, 1820476, 1950510, 2090340, 2177658, 2275595, 2340612, 2419620, 2730714, 2925765, 3110940, 3185833, 3510918, 3629430, 3901020, 4096071, 4355316, 4551190, 5444145, 5461428, 5851530, 6371666, 6826785, 7021836, 7258860, 8192142, 8777295, 9102380, 9557499, 10888290, 11703060, 12288213, 12743332, 13653570, 15929165, 16384284, 17554590, 19114998, 20480355, 21776580, 24576426, 27307140, 28672497, 31858330, 35109180, 38229996, 40960710, 47787495, 49152852, 57344994, 61441065, 63716660, 81921420, 86017491, 95574990, 114689988, 122882130, 143362485, 172034982, 191149980, 245764260, 286724970, 344069964, 430087455, 573449940, 860174910, 1720349820]

約数ペア:

[(1, 1720349820), (2, 860174910), (3, 573449940), (4, 430087455), (5, 344069964), (6, 286724970), (7, 245764260), (9, 191149980), (10, 172034982), (12, 143362485), (14, 122882130), (15, 114689988), (18, 95574990), (20, 86017491), (21, 81921420), (27, 63716660), (28, 61441065), (30, 57344994), (35, 49152852), (36, 47787495), (42, 40960710), (45, 38229996), (49, 35109180), (54, 31858330), (60, 28672497), (63, 27307140), (70, 24576426), (79, 21776580), (84, 20480355), (90, 19114998), (98, 17554590), (105, 16384284), (108, 15929165), (126, 13653570), (135, 12743332), (140, 12288213), (147, 11703060), (158, 10888290), (180, 9557499), (189, 9102380), (196, 8777295), (210, 8192142), (237, 7258860), (245, 7021836), (252, 6826785), (270, 6371666), (294, 5851530), (315, 5461428), (316, 5444145), (378, 4551190), (395, 4355316), (420, 4096071), (441, 3901020), (474, 3629430), (490, 3510918), (540, 3185833), (553, 3110940), (588, 2925765), (630, 2730714), (711, 2419620), (735, 2340612), (756, 2275595), (790, 2177658), (823, 2090340), (882, 1950510), (945, 1820476), (948, 1814715), (980, 1755459), (1106, 1555470), (1185, 1451772), (1260, 1365357), (1323, 1300340), (1422, 1209810), (1470, 1170306), (1580, 1088829), (1646, 1045170), (1659, 1036980), (1764, 975255), (1890, 910238), (2133, 806540), (2205, 780204), (2212, 777735), (2370, 725886), (2469, 696780), (2646, 650170), (2765, 622188), (2844, 604905), (2940, 585153), (3292, 522585), (3318, 518490), (3555, 483924), (3780, 455119), (3871, 444420), (4115, 418068), (4266, 403270), (4410, 390102), (4740, 362943), (4938, 348390), (4977, 345660), (5292, 325085), (5530, 311094), (5761, 298620), (6615, 260068), (6636, 259245), (7110, 241962), (7407, 232260), (7742, 222210), (8230, 209034), (8295, 207396), (8532, 201635), (8820, 195051), (9876, 174195), (9954, 172830), (10665, 161308), (11060, 155547), (11522, 149310), (11613, 148140), (12345, 139356), (13230, 130034), (14220, 120981), (14814, 116130), (14931, 115220), (15484, 111105), (16460, 104517), (16590, 103698), (17283, 99540), (19355, 88884), (19908, 86415), (21330, 80654), (22221, 77420), (23044, 74655), (23226, 74070), (24690, 69678), (24885, 69132), (26460, 65017), (28805, 59724), (29628, 58065), (29862, 57610), (33180, 51849), (34566, 49770), (34839, 49380), (37035, 46452), (38710, 44442), (40327, 42660)]