81588720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5573}}^1$

素因数の和:5650

約数の個数: 80

約数和(自身を含む): 257117472

約数和(自身を除く): 175528752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 5573, 7320, 11146, 14640, 16719, 22292, 27865, 33438, 44584, 55730, 66876, 83595, 89168, 111460, 133752, 167190, 222920, 267504, 334380, 339953, 445840, 668760, 679906, 1019859, 1337520, 1359812, 1699765, 2039718, 2719624, 3399530, 4079436, 5099295, 5439248, 6799060, 8158872, 10198590, 13598120, 16317744, 20397180, 27196240, 40794360, 81588720]

約数ペア:

[(1, 81588720), (2, 40794360), (3, 27196240), (4, 20397180), (5, 16317744), (6, 13598120), (8, 10198590), (10, 8158872), (12, 6799060), (15, 5439248), (16, 5099295), (20, 4079436), (24, 3399530), (30, 2719624), (40, 2039718), (48, 1699765), (60, 1359812), (61, 1337520), (80, 1019859), (120, 679906), (122, 668760), (183, 445840), (240, 339953), (244, 334380), (305, 267504), (366, 222920), (488, 167190), (610, 133752), (732, 111460), (915, 89168), (976, 83595), (1220, 66876), (1464, 55730), (1830, 44584), (2440, 33438), (2928, 27865), (3660, 22292), (4880, 16719), (5573, 14640), (7320, 11146)]