128315460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 192

約数和(自身を含む): 449777664

約数和(自身を除く): 321462204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 71, 78, 84, 91, 105, 130, 140, 142, 156, 182, 195, 210, 213, 260, 273, 284, 331, 355, 364, 390, 420, 426, 455, 497, 546, 662, 710, 780, 852, 910, 923, 993, 994, 1065, 1092, 1324, 1365, 1420, 1491, 1655, 1820, 1846, 1986, 1988, 2130, 2317, 2485, 2730, 2769, 2982, 3310, 3692, 3972, 4260, 4303, 4615, 4634, 4965, 4970, 5460, 5538, 5964, 6461, 6620, 6951, 7455, 8606, 9230, 9268, 9930, 9940, 11076, 11585, 12909, 12922, 13845, 13902, 14910, 17212, 18460, 19383, 19860, 21515, 23170, 23501, 25818, 25844, 27690, 27804, 29820, 30121, 32305, 34755, 38766, 43030, 46340, 47002, 51636, 55380, 60242, 64545, 64610, 69510, 70503, 77532, 86060, 90363, 94004, 96915, 117505, 120484, 129090, 129220, 139020, 141006, 150605, 164507, 180726, 193830, 235010, 258180, 282012, 301210, 305513, 329014, 352515, 361452, 387660, 451815, 470020, 493521, 602420, 611026, 658028, 705030, 822535, 903630, 916539, 987042, 1222052, 1410060, 1527565, 1645070, 1807260, 1833078, 1974084, 2138591, 2467605, 3055130, 3290140, 3666156, 4277182, 4582695, 4935210, 6110260, 6415773, 8554364, 9165390, 9870420, 10692955, 12831546, 18330780, 21385910, 25663092, 32078865, 42771820, 64157730, 128315460]

約数ペア:

[(1, 128315460), (2, 64157730), (3, 42771820), (4, 32078865), (5, 25663092), (6, 21385910), (7, 18330780), (10, 12831546), (12, 10692955), (13, 9870420), (14, 9165390), (15, 8554364), (20, 6415773), (21, 6110260), (26, 4935210), (28, 4582695), (30, 4277182), (35, 3666156), (39, 3290140), (42, 3055130), (52, 2467605), (60, 2138591), (65, 1974084), (70, 1833078), (71, 1807260), (78, 1645070), (84, 1527565), (91, 1410060), (105, 1222052), (130, 987042), (140, 916539), (142, 903630), (156, 822535), (182, 705030), (195, 658028), (210, 611026), (213, 602420), (260, 493521), (273, 470020), (284, 451815), (331, 387660), (355, 361452), (364, 352515), (390, 329014), (420, 305513), (426, 301210), (455, 282012), (497, 258180), (546, 235010), (662, 193830), (710, 180726), (780, 164507), (852, 150605), (910, 141006), (923, 139020), (993, 129220), (994, 129090), (1065, 120484), (1092, 117505), (1324, 96915), (1365, 94004), (1420, 90363), (1491, 86060), (1655, 77532), (1820, 70503), (1846, 69510), (1986, 64610), (1988, 64545), (2130, 60242), (2317, 55380), (2485, 51636), (2730, 47002), (2769, 46340), (2982, 43030), (3310, 38766), (3692, 34755), (3972, 32305), (4260, 30121), (4303, 29820), (4615, 27804), (4634, 27690), (4965, 25844), (4970, 25818), (5460, 23501), (5538, 23170), (5964, 21515), (6461, 19860), (6620, 19383), (6951, 18460), (7455, 17212), (8606, 14910), (9230, 13902), (9268, 13845), (9930, 12922), (9940, 12909), (11076, 11585)]