18278154280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:552

約数の個数: 256

約数和(自身を含む): 47278080000

約数和(自身を除く): 28999925720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 89, 92, 95, 115, 124, 152, 155, 178, 184, 190, 230, 248, 310, 356, 379, 380, 437, 445, 460, 589, 620, 712, 713, 758, 760, 874, 890, 920, 1178, 1240, 1426, 1516, 1691, 1748, 1780, 1895, 2047, 2185, 2356, 2759, 2852, 2945, 3032, 3382, 3496, 3560, 3565, 3790, 4094, 4370, 4712, 5518, 5704, 5890, 6764, 7130, 7201, 7580, 8188, 8455, 8717, 8740, 10235, 11036, 11749, 11780, 13528, 13547, 13795, 14260, 14402, 15160, 16376, 16910, 17434, 17480, 20470, 22072, 23498, 23560, 27094, 27590, 28520, 28804, 33731, 33820, 34868, 36005, 38893, 40940, 43585, 46996, 52421, 54188, 55180, 57608, 58745, 63457, 67462, 67640, 67735, 69736, 72010, 77786, 81880, 87170, 93992, 104842, 108376, 110360, 117490, 126914, 134924, 135470, 144020, 155572, 165623, 168655, 174340, 194465, 209684, 223231, 234980, 253828, 262105, 269848, 270227, 270940, 288040, 311144, 317285, 331246, 337310, 348680, 388930, 419368, 446462, 469960, 507656, 524210, 540454, 541880, 634570, 640889, 662492, 674620, 775813, 777860, 828115, 892924, 1045661, 1048420, 1080908, 1116155, 1205683, 1269140, 1281778, 1324984, 1349240, 1351135, 1551626, 1555720, 1656230, 1785848, 2091322, 2096840, 2161816, 2232310, 2411366, 2538280, 2563556, 2702270, 3103252, 3204445, 3312460, 3879065, 4182644, 4464620, 4822732, 5127112, 5134313, 5228305, 5404540, 6028415, 6206504, 6408890, 6624920, 7758130, 8365288, 8929240, 9645464, 10268626, 10456610, 10809080, 12056830, 12817780, 14740447, 15516260, 19867559, 20537252, 20913220, 24050203, 24113660, 25635560, 25671565, 29480894, 31032520, 39735118, 41074504, 41826440, 48100406, 48227320, 51343130, 58961788, 73702235, 79470236, 96200812, 99337795, 102686260, 117923576, 120251015, 147404470, 158940472, 192401624, 198675590, 205372520, 240502030, 294808940, 397351180, 456953857, 481004060, 589617880, 794702360, 913907714, 962008120, 1827815428, 2284769285, 3655630856, 4569538570, 9139077140, 18278154280]

約数ペア:

[(1, 18278154280), (2, 9139077140), (4, 4569538570), (5, 3655630856), (8, 2284769285), (10, 1827815428), (19, 962008120), (20, 913907714), (23, 794702360), (31, 589617880), (38, 481004060), (40, 456953857), (46, 397351180), (62, 294808940), (76, 240502030), (89, 205372520), (92, 198675590), (95, 192401624), (115, 158940472), (124, 147404470), (152, 120251015), (155, 117923576), (178, 102686260), (184, 99337795), (190, 96200812), (230, 79470236), (248, 73702235), (310, 58961788), (356, 51343130), (379, 48227320), (380, 48100406), (437, 41826440), (445, 41074504), (460, 39735118), (589, 31032520), (620, 29480894), (712, 25671565), (713, 25635560), (758, 24113660), (760, 24050203), (874, 20913220), (890, 20537252), (920, 19867559), (1178, 15516260), (1240, 14740447), (1426, 12817780), (1516, 12056830), (1691, 10809080), (1748, 10456610), (1780, 10268626), (1895, 9645464), (2047, 8929240), (2185, 8365288), (2356, 7758130), (2759, 6624920), (2852, 6408890), (2945, 6206504), (3032, 6028415), (3382, 5404540), (3496, 5228305), (3560, 5134313), (3565, 5127112), (3790, 4822732), (4094, 4464620), (4370, 4182644), (4712, 3879065), (5518, 3312460), (5704, 3204445), (5890, 3103252), (6764, 2702270), (7130, 2563556), (7201, 2538280), (7580, 2411366), (8188, 2232310), (8455, 2161816), (8717, 2096840), (8740, 2091322), (10235, 1785848), (11036, 1656230), (11749, 1555720), (11780, 1551626), (13528, 1351135), (13547, 1349240), (13795, 1324984), (14260, 1281778), (14402, 1269140), (15160, 1205683), (16376, 1116155), (16910, 1080908), (17434, 1048420), (17480, 1045661), (20470, 892924), (22072, 828115), (23498, 777860), (23560, 775813), (27094, 674620), (27590, 662492), (28520, 640889), (28804, 634570), (33731, 541880), (33820, 540454), (34868, 524210), (36005, 507656), (38893, 469960), (40940, 446462), (43585, 419368), (46996, 388930), (52421, 348680), (54188, 337310), (55180, 331246), (57608, 317285), (58745, 311144), (63457, 288040), (67462, 270940), (67640, 270227), (67735, 269848), (69736, 262105), (72010, 253828), (77786, 234980), (81880, 223231), (87170, 209684), (93992, 194465), (104842, 174340), (108376, 168655), (110360, 165623), (117490, 155572), (126914, 144020), (134924, 135470)]