159779360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 431645760

約数和(自身を除く): 271866400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 304, 311, 338, 380, 416, 494, 520, 608, 622, 676, 760, 845, 988, 1040, 1235, 1244, 1352, 1520, 1555, 1690, 1976, 2080, 2470, 2488, 2704, 3040, 3110, 3211, 3380, 3952, 4043, 4940, 4976, 5408, 5909, 6220, 6422, 6760, 7904, 8086, 9880, 9952, 11818, 12440, 12844, 13520, 16055, 16172, 19760, 20215, 23636, 24880, 25688, 27040, 29545, 32110, 32344, 39520, 40430, 47272, 49760, 51376, 52559, 59090, 64220, 64688, 76817, 80860, 94544, 102752, 105118, 118180, 128440, 129376, 153634, 161720, 189088, 210236, 236360, 256880, 262795, 307268, 323440, 384085, 420472, 472720, 513760, 525590, 614536, 646880, 768170, 840944, 945440, 998621, 1051180, 1229072, 1536340, 1681888, 1997242, 2102360, 2458144, 3072680, 3994484, 4204720, 4993105, 6145360, 7988968, 8409440, 9986210, 12290720, 15977936, 19972420, 31955872, 39944840, 79889680, 159779360]

約数ペア:

[(1, 159779360), (2, 79889680), (4, 39944840), (5, 31955872), (8, 19972420), (10, 15977936), (13, 12290720), (16, 9986210), (19, 8409440), (20, 7988968), (26, 6145360), (32, 4993105), (38, 4204720), (40, 3994484), (52, 3072680), (65, 2458144), (76, 2102360), (80, 1997242), (95, 1681888), (104, 1536340), (130, 1229072), (152, 1051180), (160, 998621), (169, 945440), (190, 840944), (208, 768170), (247, 646880), (260, 614536), (304, 525590), (311, 513760), (338, 472720), (380, 420472), (416, 384085), (494, 323440), (520, 307268), (608, 262795), (622, 256880), (676, 236360), (760, 210236), (845, 189088), (988, 161720), (1040, 153634), (1235, 129376), (1244, 128440), (1352, 118180), (1520, 105118), (1555, 102752), (1690, 94544), (1976, 80860), (2080, 76817), (2470, 64688), (2488, 64220), (2704, 59090), (3040, 52559), (3110, 51376), (3211, 49760), (3380, 47272), (3952, 40430), (4043, 39520), (4940, 32344), (4976, 32110), (5408, 29545), (5909, 27040), (6220, 25688), (6422, 24880), (6760, 23636), (7904, 20215), (8086, 19760), (9880, 16172), (9952, 16055), (11818, 13520), (12440, 12844)]