221277840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131713}}^1$

素因数の和:131736

約数の個数: 80

約数和(自身を含む): 783961728

約数和(自身を除く): 562683888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 131713, 263426, 395139, 526852, 658565, 790278, 921991, 1053704, 1317130, 1580556, 1843982, 1975695, 2107408, 2634260, 2765973, 3161112, 3687964, 3951390, 4609955, 5268520, 5531946, 6322224, 7375928, 7902780, 9219910, 10537040, 11063892, 13829865, 14751856, 15805560, 18439820, 22127784, 27659730, 31611120, 36879640, 44255568, 55319460, 73759280, 110638920, 221277840]

約数ペア:

[(1, 221277840), (2, 110638920), (3, 73759280), (4, 55319460), (5, 44255568), (6, 36879640), (7, 31611120), (8, 27659730), (10, 22127784), (12, 18439820), (14, 15805560), (15, 14751856), (16, 13829865), (20, 11063892), (21, 10537040), (24, 9219910), (28, 7902780), (30, 7375928), (35, 6322224), (40, 5531946), (42, 5268520), (48, 4609955), (56, 3951390), (60, 3687964), (70, 3161112), (80, 2765973), (84, 2634260), (105, 2107408), (112, 1975695), (120, 1843982), (140, 1580556), (168, 1317130), (210, 1053704), (240, 921991), (280, 790278), (336, 658565), (420, 526852), (560, 395139), (840, 263426), (1680, 131713)]