281351520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3203}}^1$

素因数の和:3285

約数の個数: 144

約数和(自身を含む): 976156272

約数和(自身を除く): 694804752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2928, 3203, 3660, 4392, 4880, 5490, 5856, 6406, 7320, 8784, 9609, 9760, 10980, 12812, 14640, 16015, 17568, 19218, 21960, 25624, 28827, 29280, 32030, 38436, 43920, 48045, 51248, 57654, 64060, 76872, 87840, 96090, 102496, 115308, 128120, 144135, 153744, 192180, 195383, 230616, 256240, 288270, 307488, 384360, 390766, 461232, 512480, 576540, 586149, 768720, 781532, 922464, 976915, 1153080, 1172298, 1537440, 1563064, 1758447, 1953830, 2306160, 2344596, 2930745, 3126128, 3516894, 3907660, 4612320, 4689192, 5861490, 6252256, 7033788, 7815320, 8792235, 9378384, 11722980, 14067576, 15630640, 17584470, 18756768, 23445960, 28135152, 31261280, 35168940, 46891920, 56270304, 70337880, 93783840, 140675760, 281351520]

約数ペア:

[(1, 281351520), (2, 140675760), (3, 93783840), (4, 70337880), (5, 56270304), (6, 46891920), (8, 35168940), (9, 31261280), (10, 28135152), (12, 23445960), (15, 18756768), (16, 17584470), (18, 15630640), (20, 14067576), (24, 11722980), (30, 9378384), (32, 8792235), (36, 7815320), (40, 7033788), (45, 6252256), (48, 5861490), (60, 4689192), (61, 4612320), (72, 3907660), (80, 3516894), (90, 3126128), (96, 2930745), (120, 2344596), (122, 2306160), (144, 1953830), (160, 1758447), (180, 1563064), (183, 1537440), (240, 1172298), (244, 1153080), (288, 976915), (305, 922464), (360, 781532), (366, 768720), (480, 586149), (488, 576540), (549, 512480), (610, 461232), (720, 390766), (732, 384360), (915, 307488), (976, 288270), (1098, 256240), (1220, 230616), (1440, 195383), (1464, 192180), (1830, 153744), (1952, 144135), (2196, 128120), (2440, 115308), (2745, 102496), (2928, 96090), (3203, 87840), (3660, 76872), (4392, 64060), (4880, 57654), (5490, 51248), (5856, 48045), (6406, 43920), (7320, 38436), (8784, 32030), (9609, 29280), (9760, 28827), (10980, 25624), (12812, 21960), (14640, 19218), (16015, 17568)]