1320248925

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 2590548480

約数和(自身を除く): 1270299555

約数列:

[1, 3, 5, 9, 15, 25, 29, 31, 45, 61, 75, 87, 93, 107, 145, 155, 183, 225, 261, 279, 305, 321, 435, 465, 535, 549, 725, 775, 899, 915, 963, 1305, 1395, 1525, 1605, 1769, 1891, 2175, 2325, 2675, 2697, 2745, 3103, 3317, 4495, 4575, 4815, 5307, 5673, 6525, 6527, 6975, 8025, 8091, 8845, 9309, 9455, 9951, 13485, 13725, 15515, 15921, 16585, 17019, 19581, 22475, 24075, 26535, 27927, 28365, 29853, 32635, 40455, 44225, 46545, 47275, 49755, 54839, 58743, 67425, 77575, 79605, 82925, 85095, 96193, 97905, 132675, 139635, 141825, 149265, 163175, 164517, 189283, 202275, 202337, 232725, 248775, 274195, 288579, 293715, 398025, 425475, 480965, 489525, 493551, 567849, 607011, 698175, 746325, 822585, 865737, 946415, 1011685, 1370975, 1442895, 1468575, 1703547, 1821033, 2404825, 2467755, 2839245, 3035055, 4112925, 4328685, 4732075, 5058425, 5867773, 7214475, 8517735, 9105165, 12338775, 14196225, 15175275, 17603319, 21643425, 29338865, 42588675, 45525825, 52809957, 88016595, 146694325, 264049785, 440082975, 1320248925]

約数ペア:

[(1, 1320248925), (3, 440082975), (5, 264049785), (9, 146694325), (15, 88016595), (25, 52809957), (29, 45525825), (31, 42588675), (45, 29338865), (61, 21643425), (75, 17603319), (87, 15175275), (93, 14196225), (107, 12338775), (145, 9105165), (155, 8517735), (183, 7214475), (225, 5867773), (261, 5058425), (279, 4732075), (305, 4328685), (321, 4112925), (435, 3035055), (465, 2839245), (535, 2467755), (549, 2404825), (725, 1821033), (775, 1703547), (899, 1468575), (915, 1442895), (963, 1370975), (1305, 1011685), (1395, 946415), (1525, 865737), (1605, 822585), (1769, 746325), (1891, 698175), (2175, 607011), (2325, 567849), (2675, 493551), (2697, 489525), (2745, 480965), (3103, 425475), (3317, 398025), (4495, 293715), (4575, 288579), (4815, 274195), (5307, 248775), (5673, 232725), (6525, 202337), (6527, 202275), (6975, 189283), (8025, 164517), (8091, 163175), (8845, 149265), (9309, 141825), (9455, 139635), (9951, 132675), (13485, 97905), (13725, 96193), (15515, 85095), (15921, 82925), (16585, 79605), (17019, 77575), (19581, 67425), (22475, 58743), (24075, 54839), (26535, 49755), (27927, 47275), (28365, 46545), (29853, 44225), (32635, 40455)]