1292114720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:779

約数の個数: 192

約数和(自身を含む): 3515581440

約数和(自身を除く): 2223466720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 32, 40, 52, 58, 62, 65, 80, 104, 116, 124, 130, 145, 155, 160, 208, 232, 248, 260, 290, 310, 377, 403, 416, 464, 496, 520, 580, 620, 691, 754, 806, 899, 928, 992, 1040, 1160, 1240, 1382, 1508, 1612, 1798, 1885, 2015, 2080, 2320, 2480, 2764, 3016, 3224, 3455, 3596, 3770, 4030, 4495, 4640, 4960, 5528, 6032, 6448, 6910, 7192, 7540, 8060, 8983, 8990, 11056, 11687, 12064, 12896, 13820, 14384, 15080, 16120, 17966, 17980, 20039, 21421, 22112, 23374, 27640, 28768, 30160, 32240, 35932, 35960, 40078, 42842, 44915, 46748, 55280, 58435, 60320, 64480, 71864, 71920, 80156, 85684, 89830, 93496, 100195, 107105, 110560, 116870, 143728, 143840, 160312, 171368, 179660, 186992, 200390, 214210, 233740, 260507, 278473, 287456, 320624, 342736, 359320, 373984, 400780, 428420, 467480, 521014, 556946, 621209, 641248, 685472, 718640, 801560, 856840, 934960, 1042028, 1113892, 1242418, 1302535, 1392365, 1437280, 1603120, 1713680, 1869920, 2084056, 2227784, 2484836, 2605070, 2784730, 3106045, 3206240, 3427360, 4168112, 4455568, 4969672, 5210140, 5569460, 6212090, 8075717, 8336224, 8911136, 9939344, 10420280, 11138920, 12424180, 16151434, 19878688, 20840560, 22277840, 24848360, 32302868, 40378585, 41681120, 44555680, 49696720, 64605736, 80757170, 99393440, 129211472, 161514340, 258422944, 323028680, 646057360, 1292114720]

約数ペア:

[(1, 1292114720), (2, 646057360), (4, 323028680), (5, 258422944), (8, 161514340), (10, 129211472), (13, 99393440), (16, 80757170), (20, 64605736), (26, 49696720), (29, 44555680), (31, 41681120), (32, 40378585), (40, 32302868), (52, 24848360), (58, 22277840), (62, 20840560), (65, 19878688), (80, 16151434), (104, 12424180), (116, 11138920), (124, 10420280), (130, 9939344), (145, 8911136), (155, 8336224), (160, 8075717), (208, 6212090), (232, 5569460), (248, 5210140), (260, 4969672), (290, 4455568), (310, 4168112), (377, 3427360), (403, 3206240), (416, 3106045), (464, 2784730), (496, 2605070), (520, 2484836), (580, 2227784), (620, 2084056), (691, 1869920), (754, 1713680), (806, 1603120), (899, 1437280), (928, 1392365), (992, 1302535), (1040, 1242418), (1160, 1113892), (1240, 1042028), (1382, 934960), (1508, 856840), (1612, 801560), (1798, 718640), (1885, 685472), (2015, 641248), (2080, 621209), (2320, 556946), (2480, 521014), (2764, 467480), (3016, 428420), (3224, 400780), (3455, 373984), (3596, 359320), (3770, 342736), (4030, 320624), (4495, 287456), (4640, 278473), (4960, 260507), (5528, 233740), (6032, 214210), (6448, 200390), (6910, 186992), (7192, 179660), (7540, 171368), (8060, 160312), (8983, 143840), (8990, 143728), (11056, 116870), (11687, 110560), (12064, 107105), (12896, 100195), (13820, 93496), (14384, 89830), (15080, 85684), (16120, 80156), (17966, 71920), (17980, 71864), (20039, 64480), (21421, 60320), (22112, 58435), (23374, 55280), (27640, 46748), (28768, 44915), (30160, 42842), (32240, 40078), (35932, 35960)]