79941720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 248912640

約数和(自身を除く): 168970920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 67, 120, 122, 134, 163, 183, 201, 244, 268, 305, 326, 335, 366, 402, 488, 489, 536, 610, 652, 670, 732, 804, 815, 915, 978, 1005, 1220, 1304, 1340, 1464, 1608, 1630, 1830, 1956, 2010, 2440, 2445, 2680, 3260, 3660, 3912, 4020, 4087, 4890, 6520, 7320, 8040, 8174, 9780, 9943, 10921, 12261, 16348, 19560, 19886, 20435, 21842, 24522, 29829, 32696, 32763, 39772, 40870, 43684, 49044, 49715, 54605, 59658, 61305, 65526, 79544, 81740, 87368, 98088, 99430, 109210, 119316, 122610, 131052, 149145, 163480, 163815, 198860, 218420, 238632, 245220, 262104, 298290, 327630, 397720, 436840, 490440, 596580, 655260, 666181, 1193160, 1310520, 1332362, 1998543, 2664724, 3330905, 3997086, 5329448, 6661810, 7994172, 9992715, 13323620, 15988344, 19985430, 26647240, 39970860, 79941720]

約数ペア:

[(1, 79941720), (2, 39970860), (3, 26647240), (4, 19985430), (5, 15988344), (6, 13323620), (8, 9992715), (10, 7994172), (12, 6661810), (15, 5329448), (20, 3997086), (24, 3330905), (30, 2664724), (40, 1998543), (60, 1332362), (61, 1310520), (67, 1193160), (120, 666181), (122, 655260), (134, 596580), (163, 490440), (183, 436840), (201, 397720), (244, 327630), (268, 298290), (305, 262104), (326, 245220), (335, 238632), (366, 218420), (402, 198860), (488, 163815), (489, 163480), (536, 149145), (610, 131052), (652, 122610), (670, 119316), (732, 109210), (804, 99430), (815, 98088), (915, 87368), (978, 81740), (1005, 79544), (1220, 65526), (1304, 61305), (1340, 59658), (1464, 54605), (1608, 49715), (1630, 49044), (1830, 43684), (1956, 40870), (2010, 39772), (2440, 32763), (2445, 32696), (2680, 29829), (3260, 24522), (3660, 21842), (3912, 20435), (4020, 19886), (4087, 19560), (4890, 16348), (6520, 12261), (7320, 10921), (8040, 9943), (8174, 9780)]