29321320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 81907200

約数和(自身を除く): 52585880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 92, 115, 116, 140, 145, 157, 161, 184, 203, 230, 232, 280, 290, 314, 322, 406, 460, 580, 628, 644, 667, 785, 805, 812, 920, 1015, 1099, 1160, 1256, 1288, 1334, 1570, 1610, 1624, 2030, 2198, 2668, 3140, 3220, 3335, 3611, 4060, 4396, 4553, 4669, 5336, 5495, 6280, 6440, 6670, 7222, 8120, 8792, 9106, 9338, 10990, 13340, 14444, 18055, 18212, 18676, 21980, 22765, 23345, 25277, 26680, 28888, 31871, 36110, 36424, 37352, 43960, 45530, 46690, 50554, 63742, 72220, 91060, 93380, 101108, 104719, 126385, 127484, 144440, 159355, 182120, 186760, 202216, 209438, 252770, 254968, 318710, 418876, 505540, 523595, 637420, 733033, 837752, 1011080, 1047190, 1274840, 1466066, 2094380, 2932132, 3665165, 4188760, 5864264, 7330330, 14660660, 29321320]

約数ペア:

[(1, 29321320), (2, 14660660), (4, 7330330), (5, 5864264), (7, 4188760), (8, 3665165), (10, 2932132), (14, 2094380), (20, 1466066), (23, 1274840), (28, 1047190), (29, 1011080), (35, 837752), (40, 733033), (46, 637420), (56, 523595), (58, 505540), (70, 418876), (92, 318710), (115, 254968), (116, 252770), (140, 209438), (145, 202216), (157, 186760), (161, 182120), (184, 159355), (203, 144440), (230, 127484), (232, 126385), (280, 104719), (290, 101108), (314, 93380), (322, 91060), (406, 72220), (460, 63742), (580, 50554), (628, 46690), (644, 45530), (667, 43960), (785, 37352), (805, 36424), (812, 36110), (920, 31871), (1015, 28888), (1099, 26680), (1160, 25277), (1256, 23345), (1288, 22765), (1334, 21980), (1570, 18676), (1610, 18212), (1624, 18055), (2030, 14444), (2198, 13340), (2668, 10990), (3140, 9338), (3220, 9106), (3335, 8792), (3611, 8120), (4060, 7222), (4396, 6670), (4553, 6440), (4669, 6280), (5336, 5495)]