20177072880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1\times {\mathrm{3581}}^1$

素因数の和:4995

約数の個数: 160

約数和(自身を含む): 66294739008

約数和(自身を除く): 46117666128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 1381, 2040, 2762, 3581, 4080, 4143, 5524, 6905, 7162, 8286, 10743, 11048, 13810, 14324, 16572, 17905, 20715, 21486, 22096, 23477, 27620, 28648, 33144, 35810, 41430, 42972, 46954, 53715, 55240, 57296, 60877, 66288, 70431, 71620, 82860, 85944, 93908, 107430, 110480, 117385, 121754, 140862, 143240, 165720, 171888, 182631, 187816, 214860, 234770, 243508, 281724, 286480, 304385, 331440, 352155, 365262, 375632, 429720, 469540, 487016, 563448, 608770, 704310, 730524, 859440, 913155, 939080, 974032, 1126896, 1217540, 1408620, 1461048, 1826310, 1878160, 2435080, 2817240, 2922096, 3652620, 4870160, 4945361, 5634480, 7305240, 9890722, 14610480, 14836083, 19781444, 24726805, 29672166, 39562888, 49453610, 59344332, 74180415, 79125776, 84071137, 98907220, 118688664, 148360830, 168142274, 197814440, 237377328, 252213411, 296721660, 336284548, 395628880, 420355685, 504426822, 593443320, 672569096, 840711370, 1008853644, 1186886640, 1261067055, 1345138192, 1681422740, 2017707288, 2522134110, 3362845480, 4035414576, 5044268220, 6725690960, 10088536440, 20177072880]

約数ペア:

[(1, 20177072880), (2, 10088536440), (3, 6725690960), (4, 5044268220), (5, 4035414576), (6, 3362845480), (8, 2522134110), (10, 2017707288), (12, 1681422740), (15, 1345138192), (16, 1261067055), (17, 1186886640), (20, 1008853644), (24, 840711370), (30, 672569096), (34, 593443320), (40, 504426822), (48, 420355685), (51, 395628880), (60, 336284548), (68, 296721660), (80, 252213411), (85, 237377328), (102, 197814440), (120, 168142274), (136, 148360830), (170, 118688664), (204, 98907220), (240, 84071137), (255, 79125776), (272, 74180415), (340, 59344332), (408, 49453610), (510, 39562888), (680, 29672166), (816, 24726805), (1020, 19781444), (1360, 14836083), (1381, 14610480), (2040, 9890722), (2762, 7305240), (3581, 5634480), (4080, 4945361), (4143, 4870160), (5524, 3652620), (6905, 2922096), (7162, 2817240), (8286, 2435080), (10743, 1878160), (11048, 1826310), (13810, 1461048), (14324, 1408620), (16572, 1217540), (17905, 1126896), (20715, 974032), (21486, 939080), (22096, 913155), (23477, 859440), (27620, 730524), (28648, 704310), (33144, 608770), (35810, 563448), (41430, 487016), (42972, 469540), (46954, 429720), (53715, 375632), (55240, 365262), (57296, 352155), (60877, 331440), (66288, 304385), (70431, 286480), (71620, 281724), (82860, 243508), (85944, 234770), (93908, 214860), (107430, 187816), (110480, 182631), (117385, 171888), (121754, 165720), (140862, 143240)]