442312960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 1116122112

約数和(自身を除く): 673809152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 157, 160, 248, 256, 284, 310, 314, 320, 355, 496, 568, 620, 628, 640, 710, 785, 992, 1136, 1240, 1256, 1280, 1420, 1570, 1984, 2201, 2272, 2480, 2512, 2840, 3140, 3968, 4402, 4544, 4867, 4960, 5024, 5680, 6280, 7936, 8804, 9088, 9734, 9920, 10048, 11005, 11147, 11360, 12560, 17608, 18176, 19468, 19840, 20096, 22010, 22294, 22720, 24335, 25120, 35216, 38936, 39680, 40192, 44020, 44588, 45440, 48670, 50240, 55735, 70432, 77872, 88040, 89176, 90880, 97340, 100480, 111470, 140864, 155744, 176080, 178352, 194680, 200960, 222940, 281728, 311488, 345557, 352160, 356704, 389360, 445880, 563456, 622976, 691114, 704320, 713408, 778720, 891760, 1245952, 1382228, 1408640, 1426816, 1557440, 1727785, 1783520, 2764456, 2817280, 2853632, 3114880, 3455570, 3567040, 5528912, 6229760, 6911140, 7134080, 11057824, 13822280, 14268160, 22115648, 27644560, 44231296, 55289120, 88462592, 110578240, 221156480, 442312960]

約数ペア:

[(1, 442312960), (2, 221156480), (4, 110578240), (5, 88462592), (8, 55289120), (10, 44231296), (16, 27644560), (20, 22115648), (31, 14268160), (32, 13822280), (40, 11057824), (62, 7134080), (64, 6911140), (71, 6229760), (80, 5528912), (124, 3567040), (128, 3455570), (142, 3114880), (155, 2853632), (157, 2817280), (160, 2764456), (248, 1783520), (256, 1727785), (284, 1557440), (310, 1426816), (314, 1408640), (320, 1382228), (355, 1245952), (496, 891760), (568, 778720), (620, 713408), (628, 704320), (640, 691114), (710, 622976), (785, 563456), (992, 445880), (1136, 389360), (1240, 356704), (1256, 352160), (1280, 345557), (1420, 311488), (1570, 281728), (1984, 222940), (2201, 200960), (2272, 194680), (2480, 178352), (2512, 176080), (2840, 155744), (3140, 140864), (3968, 111470), (4402, 100480), (4544, 97340), (4867, 90880), (4960, 89176), (5024, 88040), (5680, 77872), (6280, 70432), (7936, 55735), (8804, 50240), (9088, 48670), (9734, 45440), (9920, 44588), (10048, 44020), (11005, 40192), (11147, 39680), (11360, 38936), (12560, 35216), (17608, 25120), (18176, 24335), (19468, 22720), (19840, 22294), (20096, 22010)]