66216720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4523}}^1$

素因数の和:4600

約数の個数: 80

約数和(自身を含む): 208683072

約数和(自身を除く): 142466352

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, 4523, 4880, 7320, 9046, 13569, 14640, 18092, 22615, 27138, 36184, 45230, 54276, 67845, 72368, 90460, 108552, 135690, 180920, 217104, 271380, 275903, 361840, 542760, 551806, 827709, 1085520, 1103612, 1379515, 1655418, 2207224, 2759030, 3310836, 4138545, 4414448, 5518060, 6621672, 8277090, 11036120, 13243344, 16554180, 22072240, 33108360, 66216720]

約数ペア:

[(1, 66216720), (2, 33108360), (3, 22072240), (4, 16554180), (5, 13243344), (6, 11036120), (8, 8277090), (10, 6621672), (12, 5518060), (15, 4414448), (16, 4138545), (20, 3310836), (24, 2759030), (30, 2207224), (40, 1655418), (48, 1379515), (60, 1103612), (61, 1085520), (80, 827709), (120, 551806), (122, 542760), (183, 361840), (240, 275903), (244, 271380), (305, 217104), (366, 180920), (488, 135690), (610, 108552), (732, 90460), (915, 72368), (976, 67845), (1220, 54276), (1464, 45230), (1830, 36184), (2440, 27138), (2928, 22615), (3660, 18092), (4523, 14640), (4880, 13569), (7320, 9046)]