28641330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 81423360

約数和(自身を除く): 52782030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 47, 54, 61, 74, 90, 94, 111, 122, 135, 141, 183, 185, 222, 235, 270, 282, 305, 333, 366, 370, 423, 470, 549, 555, 610, 666, 705, 846, 915, 999, 1098, 1110, 1269, 1410, 1647, 1665, 1739, 1830, 1998, 2115, 2257, 2538, 2745, 2867, 3294, 3330, 3478, 4230, 4514, 4995, 5217, 5490, 5734, 6345, 6771, 8235, 8601, 8695, 9990, 10434, 11285, 12690, 13542, 14335, 15651, 16470, 17202, 17390, 20313, 22570, 25803, 26085, 28670, 31302, 33855, 40626, 43005, 46953, 51606, 52170, 60939, 67710, 77409, 78255, 86010, 93906, 101565, 106079, 121878, 129015, 154818, 156510, 203130, 212158, 234765, 258030, 304695, 318237, 387045, 469530, 530395, 609390, 636474, 774090, 954711, 1060790, 1591185, 1909422, 2864133, 3182370, 4773555, 5728266, 9547110, 14320665, 28641330]

約数ペア:

[(1, 28641330), (2, 14320665), (3, 9547110), (5, 5728266), (6, 4773555), (9, 3182370), (10, 2864133), (15, 1909422), (18, 1591185), (27, 1060790), (30, 954711), (37, 774090), (45, 636474), (47, 609390), (54, 530395), (61, 469530), (74, 387045), (90, 318237), (94, 304695), (111, 258030), (122, 234765), (135, 212158), (141, 203130), (183, 156510), (185, 154818), (222, 129015), (235, 121878), (270, 106079), (282, 101565), (305, 93906), (333, 86010), (366, 78255), (370, 77409), (423, 67710), (470, 60939), (549, 52170), (555, 51606), (610, 46953), (666, 43005), (705, 40626), (846, 33855), (915, 31302), (999, 28670), (1098, 26085), (1110, 25803), (1269, 22570), (1410, 20313), (1647, 17390), (1665, 17202), (1739, 16470), (1830, 15651), (1998, 14335), (2115, 13542), (2257, 12690), (2538, 11285), (2745, 10434), (2867, 9990), (3294, 8695), (3330, 8601), (3478, 8235), (4230, 6771), (4514, 6345), (4995, 5734), (5217, 5490)]