81413040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 263483136

約数和(自身を除く): 182070096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 67, 80, 83, 120, 122, 134, 166, 183, 201, 240, 244, 249, 268, 305, 332, 335, 366, 402, 415, 488, 498, 536, 610, 664, 670, 732, 804, 830, 915, 976, 996, 1005, 1072, 1220, 1245, 1328, 1340, 1464, 1608, 1660, 1830, 1992, 2010, 2440, 2490, 2680, 2928, 3216, 3320, 3660, 3984, 4020, 4087, 4880, 4980, 5063, 5360, 5561, 6640, 7320, 8040, 8174, 9960, 10126, 11122, 12261, 14640, 15189, 16080, 16348, 16683, 19920, 20252, 20435, 22244, 24522, 25315, 27805, 30378, 32696, 33366, 40504, 40870, 44488, 49044, 50630, 55610, 60756, 61305, 65392, 66732, 75945, 81008, 81740, 83415, 88976, 98088, 101260, 111220, 121512, 122610, 133464, 151890, 163480, 166830, 196176, 202520, 222440, 243024, 245220, 266928, 303780, 326960, 333660, 339221, 405040, 444880, 490440, 607560, 667320, 678442, 980880, 1017663, 1215120, 1334640, 1356884, 1696105, 2035326, 2713768, 3392210, 4070652, 5088315, 5427536, 6784420, 8141304, 10176630, 13568840, 16282608, 20353260, 27137680, 40706520, 81413040]

約数ペア:

[(1, 81413040), (2, 40706520), (3, 27137680), (4, 20353260), (5, 16282608), (6, 13568840), (8, 10176630), (10, 8141304), (12, 6784420), (15, 5427536), (16, 5088315), (20, 4070652), (24, 3392210), (30, 2713768), (40, 2035326), (48, 1696105), (60, 1356884), (61, 1334640), (67, 1215120), (80, 1017663), (83, 980880), (120, 678442), (122, 667320), (134, 607560), (166, 490440), (183, 444880), (201, 405040), (240, 339221), (244, 333660), (249, 326960), (268, 303780), (305, 266928), (332, 245220), (335, 243024), (366, 222440), (402, 202520), (415, 196176), (488, 166830), (498, 163480), (536, 151890), (610, 133464), (664, 122610), (670, 121512), (732, 111220), (804, 101260), (830, 98088), (915, 88976), (976, 83415), (996, 81740), (1005, 81008), (1072, 75945), (1220, 66732), (1245, 65392), (1328, 61305), (1340, 60756), (1464, 55610), (1608, 50630), (1660, 49044), (1830, 44488), (1992, 40870), (2010, 40504), (2440, 33366), (2490, 32696), (2680, 30378), (2928, 27805), (3216, 25315), (3320, 24522), (3660, 22244), (3984, 20435), (4020, 20252), (4087, 19920), (4880, 16683), (4980, 16348), (5063, 16080), (5360, 15189), (5561, 14640), (6640, 12261), (7320, 11122), (8040, 10126), (8174, 9960)]