77489520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 250936320

約数和(自身を除く): 173446800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 67, 79, 80, 120, 122, 134, 158, 183, 201, 237, 240, 244, 268, 305, 316, 335, 366, 395, 402, 474, 488, 536, 610, 632, 670, 732, 790, 804, 915, 948, 976, 1005, 1072, 1185, 1220, 1264, 1340, 1464, 1580, 1608, 1830, 1896, 2010, 2370, 2440, 2680, 2928, 3160, 3216, 3660, 3792, 4020, 4087, 4740, 4819, 4880, 5293, 5360, 6320, 7320, 8040, 8174, 9480, 9638, 10586, 12261, 14457, 14640, 15879, 16080, 16348, 18960, 19276, 20435, 21172, 24095, 24522, 26465, 28914, 31758, 32696, 38552, 40870, 42344, 48190, 49044, 52930, 57828, 61305, 63516, 65392, 72285, 77104, 79395, 81740, 84688, 96380, 98088, 105860, 115656, 122610, 127032, 144570, 158790, 163480, 192760, 196176, 211720, 231312, 245220, 254064, 289140, 317580, 322873, 326960, 385520, 423440, 490440, 578280, 635160, 645746, 968619, 980880, 1156560, 1270320, 1291492, 1614365, 1937238, 2582984, 3228730, 3874476, 4843095, 5165968, 6457460, 7748952, 9686190, 12914920, 15497904, 19372380, 25829840, 38744760, 77489520]

約数ペア:

[(1, 77489520), (2, 38744760), (3, 25829840), (4, 19372380), (5, 15497904), (6, 12914920), (8, 9686190), (10, 7748952), (12, 6457460), (15, 5165968), (16, 4843095), (20, 3874476), (24, 3228730), (30, 2582984), (40, 1937238), (48, 1614365), (60, 1291492), (61, 1270320), (67, 1156560), (79, 980880), (80, 968619), (120, 645746), (122, 635160), (134, 578280), (158, 490440), (183, 423440), (201, 385520), (237, 326960), (240, 322873), (244, 317580), (268, 289140), (305, 254064), (316, 245220), (335, 231312), (366, 211720), (395, 196176), (402, 192760), (474, 163480), (488, 158790), (536, 144570), (610, 127032), (632, 122610), (670, 115656), (732, 105860), (790, 98088), (804, 96380), (915, 84688), (948, 81740), (976, 79395), (1005, 77104), (1072, 72285), (1185, 65392), (1220, 63516), (1264, 61305), (1340, 57828), (1464, 52930), (1580, 49044), (1608, 48190), (1830, 42344), (1896, 40870), (2010, 38552), (2370, 32696), (2440, 31758), (2680, 28914), (2928, 26465), (3160, 24522), (3216, 24095), (3660, 21172), (3792, 20435), (4020, 19276), (4087, 18960), (4740, 16348), (4819, 16080), (4880, 15879), (5293, 14640), (5360, 14457), (6320, 12261), (7320, 10586), (8040, 9638), (8174, 9480)]