178391220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 192

約数和(自身を含む): 607703040

約数和(自身を除く): 429311820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 59, 60, 69, 70, 84, 92, 105, 115, 118, 138, 140, 161, 177, 210, 230, 236, 276, 295, 313, 322, 345, 354, 413, 420, 460, 483, 590, 626, 644, 690, 708, 805, 826, 885, 939, 966, 1180, 1239, 1252, 1357, 1380, 1565, 1610, 1652, 1770, 1878, 1932, 2065, 2191, 2415, 2478, 2714, 3130, 3220, 3540, 3756, 4071, 4130, 4382, 4695, 4830, 4956, 5428, 6195, 6260, 6573, 6785, 7199, 8142, 8260, 8764, 9390, 9499, 9660, 10955, 12390, 13146, 13570, 14398, 16284, 18467, 18780, 18998, 20355, 21597, 21910, 24780, 26292, 27140, 28497, 28796, 32865, 35995, 36934, 37996, 40710, 43194, 43820, 47495, 50393, 55401, 56994, 65730, 71990, 73868, 81420, 86388, 92335, 94990, 100786, 107985, 110802, 113988, 129269, 131460, 142485, 143980, 151179, 184670, 189980, 201572, 215970, 221604, 251965, 258538, 277005, 284970, 302358, 369340, 387807, 424741, 431940, 503930, 517076, 554010, 569940, 604716, 646345, 755895, 775614, 849482, 1007860, 1108020, 1274223, 1292690, 1511790, 1551228, 1698964, 1939035, 2123705, 2548446, 2585380, 2973187, 3023580, 3878070, 4247410, 5096892, 5946374, 6371115, 7756140, 8494820, 8919561, 11892748, 12742230, 14865935, 17839122, 25484460, 29731870, 35678244, 44597805, 59463740, 89195610, 178391220]

約数ペア:

[(1, 178391220), (2, 89195610), (3, 59463740), (4, 44597805), (5, 35678244), (6, 29731870), (7, 25484460), (10, 17839122), (12, 14865935), (14, 12742230), (15, 11892748), (20, 8919561), (21, 8494820), (23, 7756140), (28, 6371115), (30, 5946374), (35, 5096892), (42, 4247410), (46, 3878070), (59, 3023580), (60, 2973187), (69, 2585380), (70, 2548446), (84, 2123705), (92, 1939035), (105, 1698964), (115, 1551228), (118, 1511790), (138, 1292690), (140, 1274223), (161, 1108020), (177, 1007860), (210, 849482), (230, 775614), (236, 755895), (276, 646345), (295, 604716), (313, 569940), (322, 554010), (345, 517076), (354, 503930), (413, 431940), (420, 424741), (460, 387807), (483, 369340), (590, 302358), (626, 284970), (644, 277005), (690, 258538), (708, 251965), (805, 221604), (826, 215970), (885, 201572), (939, 189980), (966, 184670), (1180, 151179), (1239, 143980), (1252, 142485), (1357, 131460), (1380, 129269), (1565, 113988), (1610, 110802), (1652, 107985), (1770, 100786), (1878, 94990), (1932, 92335), (2065, 86388), (2191, 81420), (2415, 73868), (2478, 71990), (2714, 65730), (3130, 56994), (3220, 55401), (3540, 50393), (3756, 47495), (4071, 43820), (4130, 43194), (4382, 40710), (4695, 37996), (4830, 36934), (4956, 35995), (5428, 32865), (6195, 28796), (6260, 28497), (6573, 27140), (6785, 26292), (7199, 24780), (8142, 21910), (8260, 21597), (8764, 20355), (9390, 18998), (9499, 18780), (9660, 18467), (10955, 16284), (12390, 14398), (13146, 13570)]