80678940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 264176640

約数和(自身を除く): 183497700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 23, 30, 34, 38, 46, 51, 57, 60, 68, 69, 76, 85, 92, 95, 102, 114, 115, 138, 170, 181, 190, 204, 228, 230, 255, 276, 285, 323, 340, 345, 362, 380, 391, 437, 460, 510, 543, 570, 646, 690, 724, 782, 874, 905, 969, 1020, 1086, 1140, 1173, 1292, 1311, 1380, 1564, 1615, 1748, 1810, 1938, 1955, 2172, 2185, 2346, 2622, 2715, 3077, 3230, 3439, 3620, 3876, 3910, 4163, 4370, 4692, 4845, 5244, 5430, 5865, 6154, 6460, 6555, 6878, 7429, 7820, 8326, 8740, 9231, 9690, 10317, 10860, 11730, 12308, 12489, 13110, 13756, 14858, 15385, 16652, 17195, 18462, 19380, 20634, 20815, 22287, 23460, 24978, 26220, 29716, 30770, 34390, 36924, 37145, 41268, 41630, 44574, 46155, 49956, 51585, 58463, 61540, 62445, 68780, 70771, 74290, 79097, 83260, 89148, 92310, 103170, 111435, 116926, 124890, 141542, 148580, 158194, 175389, 184620, 206340, 212313, 222870, 233852, 237291, 249780, 283084, 292315, 316388, 350778, 353855, 395485, 424626, 445740, 474582, 584630, 701556, 707710, 790970, 849252, 876945, 949164, 1061565, 1169260, 1186455, 1344649, 1415420, 1581940, 1753890, 2123130, 2372910, 2689298, 3507780, 4033947, 4246260, 4745820, 5378596, 6723245, 8067894, 13446490, 16135788, 20169735, 26892980, 40339470, 80678940]

約数ペア:

[(1, 80678940), (2, 40339470), (3, 26892980), (4, 20169735), (5, 16135788), (6, 13446490), (10, 8067894), (12, 6723245), (15, 5378596), (17, 4745820), (19, 4246260), (20, 4033947), (23, 3507780), (30, 2689298), (34, 2372910), (38, 2123130), (46, 1753890), (51, 1581940), (57, 1415420), (60, 1344649), (68, 1186455), (69, 1169260), (76, 1061565), (85, 949164), (92, 876945), (95, 849252), (102, 790970), (114, 707710), (115, 701556), (138, 584630), (170, 474582), (181, 445740), (190, 424626), (204, 395485), (228, 353855), (230, 350778), (255, 316388), (276, 292315), (285, 283084), (323, 249780), (340, 237291), (345, 233852), (362, 222870), (380, 212313), (391, 206340), (437, 184620), (460, 175389), (510, 158194), (543, 148580), (570, 141542), (646, 124890), (690, 116926), (724, 111435), (782, 103170), (874, 92310), (905, 89148), (969, 83260), (1020, 79097), (1086, 74290), (1140, 70771), (1173, 68780), (1292, 62445), (1311, 61540), (1380, 58463), (1564, 51585), (1615, 49956), (1748, 46155), (1810, 44574), (1938, 41630), (1955, 41268), (2172, 37145), (2185, 36924), (2346, 34390), (2622, 30770), (2715, 29716), (3077, 26220), (3230, 24978), (3439, 23460), (3620, 22287), (3876, 20815), (3910, 20634), (4163, 19380), (4370, 18462), (4692, 17195), (4845, 16652), (5244, 15385), (5430, 14858), (5865, 13756), (6154, 13110), (6460, 12489), (6555, 12308), (6878, 11730), (7429, 10860), (7820, 10317), (8326, 9690), (8740, 9231)]