31690890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 109175040

約数和(自身を除く): 77484150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 30, 33, 34, 35, 42, 45, 51, 55, 63, 66, 70, 77, 85, 90, 99, 102, 105, 110, 119, 126, 153, 154, 165, 170, 187, 198, 210, 231, 238, 255, 269, 306, 315, 330, 357, 374, 385, 462, 495, 510, 538, 561, 595, 630, 693, 714, 765, 770, 807, 935, 990, 1071, 1122, 1155, 1190, 1309, 1345, 1386, 1530, 1614, 1683, 1785, 1870, 1883, 2142, 2310, 2421, 2618, 2690, 2805, 2959, 3366, 3465, 3570, 3766, 3927, 4035, 4573, 4842, 5355, 5610, 5649, 5918, 6545, 6930, 7854, 8070, 8415, 8877, 9146, 9415, 10710, 11298, 11781, 12105, 13090, 13719, 14795, 16830, 16947, 17754, 18830, 19635, 20713, 22865, 23562, 24210, 26631, 27438, 28245, 29590, 32011, 33894, 39270, 41157, 41426, 44385, 45730, 50303, 53262, 56490, 58905, 62139, 64022, 68595, 82314, 84735, 88770, 96033, 100606, 103565, 117810, 124278, 133155, 137190, 150909, 160055, 169470, 186417, 192066, 205785, 207130, 251515, 266310, 288099, 301818, 310695, 320110, 352121, 372834, 411570, 452727, 480165, 503030, 576198, 621390, 704242, 754545, 905454, 932085, 960330, 1056363, 1440495, 1509090, 1760605, 1864170, 2112726, 2263635, 2880990, 3169089, 3521210, 4527270, 5281815, 6338178, 10563630, 15845445, 31690890]

約数ペア:

[(1, 31690890), (2, 15845445), (3, 10563630), (5, 6338178), (6, 5281815), (7, 4527270), (9, 3521210), (10, 3169089), (11, 2880990), (14, 2263635), (15, 2112726), (17, 1864170), (18, 1760605), (21, 1509090), (22, 1440495), (30, 1056363), (33, 960330), (34, 932085), (35, 905454), (42, 754545), (45, 704242), (51, 621390), (55, 576198), (63, 503030), (66, 480165), (70, 452727), (77, 411570), (85, 372834), (90, 352121), (99, 320110), (102, 310695), (105, 301818), (110, 288099), (119, 266310), (126, 251515), (153, 207130), (154, 205785), (165, 192066), (170, 186417), (187, 169470), (198, 160055), (210, 150909), (231, 137190), (238, 133155), (255, 124278), (269, 117810), (306, 103565), (315, 100606), (330, 96033), (357, 88770), (374, 84735), (385, 82314), (462, 68595), (495, 64022), (510, 62139), (538, 58905), (561, 56490), (595, 53262), (630, 50303), (693, 45730), (714, 44385), (765, 41426), (770, 41157), (807, 39270), (935, 33894), (990, 32011), (1071, 29590), (1122, 28245), (1155, 27438), (1190, 26631), (1309, 24210), (1345, 23562), (1386, 22865), (1530, 20713), (1614, 19635), (1683, 18830), (1785, 17754), (1870, 16947), (1883, 16830), (2142, 14795), (2310, 13719), (2421, 13090), (2618, 12105), (2690, 11781), (2805, 11298), (2959, 10710), (3366, 9415), (3465, 9146), (3570, 8877), (3766, 8415), (3927, 8070), (4035, 7854), (4573, 6930), (4842, 6545), (5355, 5918), (5610, 5649)]