82978020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 240

約数和(自身を含む): 289795968

約数和(自身を除く): 206817948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 34, 36, 45, 46, 51, 54, 60, 68, 69, 81, 85, 90, 92, 102, 108, 115, 131, 135, 138, 153, 162, 170, 180, 204, 207, 230, 255, 262, 270, 276, 306, 324, 340, 345, 391, 393, 405, 414, 459, 460, 510, 524, 540, 612, 621, 655, 690, 765, 782, 786, 810, 828, 918, 1020, 1035, 1173, 1179, 1242, 1310, 1377, 1380, 1530, 1564, 1572, 1620, 1836, 1863, 1955, 1965, 2070, 2227, 2295, 2346, 2358, 2484, 2620, 2754, 3013, 3060, 3105, 3519, 3537, 3726, 3910, 3930, 4140, 4454, 4590, 4692, 4716, 5508, 5865, 5895, 6026, 6210, 6681, 6885, 7038, 7074, 7452, 7820, 7860, 8908, 9039, 9180, 9315, 10557, 10611, 11135, 11730, 11790, 12052, 12420, 13362, 13770, 14076, 14148, 15065, 17595, 17685, 18078, 18630, 20043, 21114, 21222, 22270, 23460, 23580, 26724, 27117, 27540, 30130, 31671, 33405, 35190, 35370, 36156, 37260, 40086, 42228, 42444, 44540, 45195, 51221, 52785, 53055, 54234, 60129, 60260, 63342, 66810, 70380, 70740, 80172, 81351, 90390, 100215, 102442, 105570, 106110, 108468, 120258, 126684, 133620, 135585, 153663, 158355, 162702, 180387, 180780, 200430, 204884, 211140, 212220, 240516, 244053, 256105, 271170, 300645, 307326, 316710, 325404, 360774, 400860, 406755, 460989, 488106, 512210, 542340, 601290, 614652, 633420, 721548, 768315, 813510, 901935, 921978, 976212, 1024420, 1202580, 1220265, 1382967, 1536630, 1627020, 1803870, 1843956, 2304945, 2440530, 2765934, 3073260, 3607740, 4148901, 4609890, 4881060, 5531868, 6914835, 8297802, 9219780, 13829670, 16595604, 20744505, 27659340, 41489010, 82978020]

約数ペア:

[(1, 82978020), (2, 41489010), (3, 27659340), (4, 20744505), (5, 16595604), (6, 13829670), (9, 9219780), (10, 8297802), (12, 6914835), (15, 5531868), (17, 4881060), (18, 4609890), (20, 4148901), (23, 3607740), (27, 3073260), (30, 2765934), (34, 2440530), (36, 2304945), (45, 1843956), (46, 1803870), (51, 1627020), (54, 1536630), (60, 1382967), (68, 1220265), (69, 1202580), (81, 1024420), (85, 976212), (90, 921978), (92, 901935), (102, 813510), (108, 768315), (115, 721548), (131, 633420), (135, 614652), (138, 601290), (153, 542340), (162, 512210), (170, 488106), (180, 460989), (204, 406755), (207, 400860), (230, 360774), (255, 325404), (262, 316710), (270, 307326), (276, 300645), (306, 271170), (324, 256105), (340, 244053), (345, 240516), (391, 212220), (393, 211140), (405, 204884), (414, 200430), (459, 180780), (460, 180387), (510, 162702), (524, 158355), (540, 153663), (612, 135585), (621, 133620), (655, 126684), (690, 120258), (765, 108468), (782, 106110), (786, 105570), (810, 102442), (828, 100215), (918, 90390), (1020, 81351), (1035, 80172), (1173, 70740), (1179, 70380), (1242, 66810), (1310, 63342), (1377, 60260), (1380, 60129), (1530, 54234), (1564, 53055), (1572, 52785), (1620, 51221), (1836, 45195), (1863, 44540), (1955, 42444), (1965, 42228), (2070, 40086), (2227, 37260), (2295, 36156), (2346, 35370), (2358, 35190), (2484, 33405), (2620, 31671), (2754, 30130), (3013, 27540), (3060, 27117), (3105, 26724), (3519, 23580), (3537, 23460), (3726, 22270), (3910, 21222), (3930, 21114), (4140, 20043), (4454, 18630), (4590, 18078), (4692, 17685), (4716, 17595), (5508, 15065), (5865, 14148), (5895, 14076), (6026, 13770), (6210, 13362), (6681, 12420), (6885, 12052), (7038, 11790), (7074, 11730), (7452, 11135), (7820, 10611), (7860, 10557), (8908, 9315), (9039, 9180)]