1978956840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1652

約数の個数: 256

約数和(自身を含む): 7142929920

約数和(自身を除く): 5163973080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 41, 42, 56, 60, 70, 74, 82, 84, 105, 111, 120, 123, 140, 148, 164, 168, 185, 205, 210, 222, 246, 259, 280, 287, 296, 328, 370, 410, 420, 444, 492, 518, 555, 574, 615, 740, 777, 820, 840, 861, 888, 984, 1036, 1110, 1148, 1230, 1295, 1435, 1480, 1517, 1553, 1554, 1640, 1722, 2072, 2220, 2296, 2460, 2590, 2870, 3034, 3106, 3108, 3444, 3885, 4305, 4440, 4551, 4659, 4920, 5180, 5740, 6068, 6212, 6216, 6888, 7585, 7765, 7770, 8610, 9102, 9318, 10360, 10619, 10871, 11480, 12136, 12424, 15170, 15530, 15540, 17220, 18204, 18636, 21238, 21742, 22755, 23295, 30340, 31060, 31080, 31857, 32613, 34440, 36408, 37272, 42476, 43484, 45510, 46590, 53095, 54355, 57461, 60680, 62120, 63673, 63714, 65226, 84952, 86968, 91020, 93180, 106190, 108710, 114922, 127346, 127428, 130452, 159285, 163065, 172383, 182040, 186360, 191019, 212380, 217420, 229844, 254692, 254856, 260904, 287305, 318365, 318570, 326130, 344766, 382038, 402227, 424760, 434840, 445711, 459688, 509384, 574610, 636730, 637140, 652260, 689532, 764076, 804454, 861915, 891422, 955095, 1149220, 1206681, 1273460, 1274280, 1304520, 1337133, 1379064, 1528152, 1608908, 1723830, 1782844, 1910190, 2011135, 2228555, 2298440, 2355901, 2413362, 2546920, 2674266, 3217816, 3447660, 3565688, 3820380, 4022270, 4457110, 4711802, 4826724, 5348532, 6033405, 6685665, 6895320, 7067703, 7640760, 8044540, 8914220, 9423604, 9653448, 10697064, 11779505, 12066810, 13371330, 14135406, 16089080, 16491307, 17828440, 18847208, 23559010, 24133620, 26742660, 28270812, 32982614, 35338515, 47118020, 48267240, 49473921, 53485320, 56541624, 65965228, 70677030, 82456535, 94236040, 98947842, 131930456, 141354060, 164913070, 197895684, 247369605, 282708120, 329826140, 395791368, 494739210, 659652280, 989478420, 1978956840]

約数ペア:

[(1, 1978956840), (2, 989478420), (3, 659652280), (4, 494739210), (5, 395791368), (6, 329826140), (7, 282708120), (8, 247369605), (10, 197895684), (12, 164913070), (14, 141354060), (15, 131930456), (20, 98947842), (21, 94236040), (24, 82456535), (28, 70677030), (30, 65965228), (35, 56541624), (37, 53485320), (40, 49473921), (41, 48267240), (42, 47118020), (56, 35338515), (60, 32982614), (70, 28270812), (74, 26742660), (82, 24133620), (84, 23559010), (105, 18847208), (111, 17828440), (120, 16491307), (123, 16089080), (140, 14135406), (148, 13371330), (164, 12066810), (168, 11779505), (185, 10697064), (205, 9653448), (210, 9423604), (222, 8914220), (246, 8044540), (259, 7640760), (280, 7067703), (287, 6895320), (296, 6685665), (328, 6033405), (370, 5348532), (410, 4826724), (420, 4711802), (444, 4457110), (492, 4022270), (518, 3820380), (555, 3565688), (574, 3447660), (615, 3217816), (740, 2674266), (777, 2546920), (820, 2413362), (840, 2355901), (861, 2298440), (888, 2228555), (984, 2011135), (1036, 1910190), (1110, 1782844), (1148, 1723830), (1230, 1608908), (1295, 1528152), (1435, 1379064), (1480, 1337133), (1517, 1304520), (1553, 1274280), (1554, 1273460), (1640, 1206681), (1722, 1149220), (2072, 955095), (2220, 891422), (2296, 861915), (2460, 804454), (2590, 764076), (2870, 689532), (3034, 652260), (3106, 637140), (3108, 636730), (3444, 574610), (3885, 509384), (4305, 459688), (4440, 445711), (4551, 434840), (4659, 424760), (4920, 402227), (5180, 382038), (5740, 344766), (6068, 326130), (6212, 318570), (6216, 318365), (6888, 287305), (7585, 260904), (7765, 254856), (7770, 254692), (8610, 229844), (9102, 217420), (9318, 212380), (10360, 191019), (10619, 186360), (10871, 182040), (11480, 172383), (12136, 163065), (12424, 159285), (15170, 130452), (15530, 127428), (15540, 127346), (17220, 114922), (18204, 108710), (18636, 106190), (21238, 93180), (21742, 91020), (22755, 86968), (23295, 84952), (30340, 65226), (31060, 63714), (31080, 63673), (31857, 62120), (32613, 60680), (34440, 57461), (36408, 54355), (37272, 53095), (42476, 46590), (43484, 45510)]