163950920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 444614400

約数和(自身を除く): 280663480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 61, 70, 116, 122, 140, 145, 203, 232, 244, 280, 290, 305, 331, 406, 427, 488, 580, 610, 662, 812, 854, 1015, 1160, 1220, 1324, 1624, 1655, 1708, 1769, 2030, 2135, 2317, 2440, 2648, 3310, 3416, 3538, 4060, 4270, 4634, 6620, 7076, 8120, 8540, 8845, 9268, 9599, 11585, 12383, 13240, 14152, 17080, 17690, 18536, 19198, 20191, 23170, 24766, 35380, 38396, 40382, 46340, 47995, 49532, 61915, 67193, 70760, 76792, 80764, 92680, 95990, 99064, 100955, 123830, 134386, 141337, 161528, 191980, 201910, 247660, 268772, 282674, 335965, 383960, 403820, 495320, 537544, 565348, 585539, 671930, 706685, 807640, 1130696, 1171078, 1343860, 1413370, 2342156, 2687720, 2826740, 2927695, 4098773, 4684312, 5653480, 5855390, 8197546, 11710780, 16395092, 20493865, 23421560, 32790184, 40987730, 81975460, 163950920]

約数ペア:

[(1, 163950920), (2, 81975460), (4, 40987730), (5, 32790184), (7, 23421560), (8, 20493865), (10, 16395092), (14, 11710780), (20, 8197546), (28, 5855390), (29, 5653480), (35, 4684312), (40, 4098773), (56, 2927695), (58, 2826740), (61, 2687720), (70, 2342156), (116, 1413370), (122, 1343860), (140, 1171078), (145, 1130696), (203, 807640), (232, 706685), (244, 671930), (280, 585539), (290, 565348), (305, 537544), (331, 495320), (406, 403820), (427, 383960), (488, 335965), (580, 282674), (610, 268772), (662, 247660), (812, 201910), (854, 191980), (1015, 161528), (1160, 141337), (1220, 134386), (1324, 123830), (1624, 100955), (1655, 99064), (1708, 95990), (1769, 92680), (2030, 80764), (2135, 76792), (2317, 70760), (2440, 67193), (2648, 61915), (3310, 49532), (3416, 47995), (3538, 46340), (4060, 40382), (4270, 38396), (4634, 35380), (6620, 24766), (7076, 23170), (8120, 20191), (8540, 19198), (8845, 18536), (9268, 17690), (9599, 17080), (11585, 14152), (12383, 13240)]