1680851880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1021}}^1$

素因数の和:1324

約数の個数: 192

約数和(自身を含む): 5811296400

約数和(自身を除く): 4130444520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 269, 306, 340, 360, 408, 510, 538, 612, 680, 765, 807, 1020, 1021, 1076, 1224, 1345, 1530, 1614, 2040, 2042, 2152, 2421, 2690, 3060, 3063, 3228, 4035, 4084, 4573, 4842, 5105, 5380, 6120, 6126, 6456, 8070, 8168, 9146, 9189, 9684, 10210, 10760, 12105, 12252, 13719, 15315, 16140, 17357, 18292, 18378, 19368, 20420, 22865, 24210, 24504, 27438, 30630, 32280, 34714, 36584, 36756, 40840, 41157, 45730, 45945, 48420, 52071, 54876, 61260, 68595, 69428, 73512, 82314, 86785, 91460, 91890, 96840, 104142, 109752, 122520, 137190, 138856, 156213, 164628, 173570, 182920, 183780, 205785, 208284, 260355, 274380, 274649, 312426, 329256, 347140, 367560, 411570, 416568, 520710, 548760, 549298, 624852, 694280, 781065, 823140, 823947, 1041420, 1098596, 1249704, 1373245, 1562130, 1646280, 1647894, 2082840, 2197192, 2471841, 2746490, 3124260, 3295788, 4119735, 4669033, 4943682, 5492980, 6248520, 6591576, 8239470, 9338066, 9887364, 10985960, 12359205, 14007099, 16478940, 18676132, 19774728, 23345165, 24718410, 28014198, 32957880, 37352264, 42021297, 46690330, 49436820, 56028396, 70035495, 84042594, 93380660, 98873640, 112056792, 140070990, 168085188, 186761320, 210106485, 280141980, 336170376, 420212970, 560283960, 840425940, 1680851880]

約数ペア:

[(1, 1680851880), (2, 840425940), (3, 560283960), (4, 420212970), (5, 336170376), (6, 280141980), (8, 210106485), (9, 186761320), (10, 168085188), (12, 140070990), (15, 112056792), (17, 98873640), (18, 93380660), (20, 84042594), (24, 70035495), (30, 56028396), (34, 49436820), (36, 46690330), (40, 42021297), (45, 37352264), (51, 32957880), (60, 28014198), (68, 24718410), (72, 23345165), (85, 19774728), (90, 18676132), (102, 16478940), (120, 14007099), (136, 12359205), (153, 10985960), (170, 9887364), (180, 9338066), (204, 8239470), (255, 6591576), (269, 6248520), (306, 5492980), (340, 4943682), (360, 4669033), (408, 4119735), (510, 3295788), (538, 3124260), (612, 2746490), (680, 2471841), (765, 2197192), (807, 2082840), (1020, 1647894), (1021, 1646280), (1076, 1562130), (1224, 1373245), (1345, 1249704), (1530, 1098596), (1614, 1041420), (2040, 823947), (2042, 823140), (2152, 781065), (2421, 694280), (2690, 624852), (3060, 549298), (3063, 548760), (3228, 520710), (4035, 416568), (4084, 411570), (4573, 367560), (4842, 347140), (5105, 329256), (5380, 312426), (6120, 274649), (6126, 274380), (6456, 260355), (8070, 208284), (8168, 205785), (9146, 183780), (9189, 182920), (9684, 173570), (10210, 164628), (10760, 156213), (12105, 138856), (12252, 137190), (13719, 122520), (15315, 109752), (16140, 104142), (17357, 96840), (18292, 91890), (18378, 91460), (19368, 86785), (20420, 82314), (22865, 73512), (24210, 69428), (24504, 68595), (27438, 61260), (30630, 54876), (32280, 52071), (34714, 48420), (36584, 45945), (36756, 45730), (40840, 41157)]