217761570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 623488320

約数和(自身を除く): 405726750

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 103, 117, 130, 139, 169, 195, 206, 234, 278, 309, 338, 390, 417, 507, 515, 585, 618, 695, 834, 845, 927, 1014, 1030, 1170, 1251, 1339, 1390, 1521, 1545, 1690, 1807, 1854, 2085, 2502, 2535, 2678, 3042, 3090, 3614, 4017, 4170, 4635, 5070, 5421, 6255, 6695, 7605, 8034, 9035, 9270, 10842, 12051, 12510, 13390, 14317, 15210, 16263, 17407, 18070, 20085, 23491, 24102, 27105, 28634, 32526, 34814, 40170, 42951, 46982, 52221, 54210, 60255, 70473, 71585, 81315, 85902, 87035, 104442, 117455, 120510, 128853, 140946, 143170, 156663, 162630, 174070, 186121, 211419, 214755, 234910, 257706, 261105, 313326, 352365, 372242, 422838, 429510, 522210, 558363, 644265, 704730, 783315, 930605, 1057095, 1116726, 1288530, 1566630, 1675089, 1861210, 2114190, 2419573, 2791815, 3350178, 4839146, 5583630, 7258719, 8375445, 12097865, 14517438, 16750890, 21776157, 24195730, 36293595, 43552314, 72587190, 108880785, 217761570]

約数ペア:

[(1, 217761570), (2, 108880785), (3, 72587190), (5, 43552314), (6, 36293595), (9, 24195730), (10, 21776157), (13, 16750890), (15, 14517438), (18, 12097865), (26, 8375445), (30, 7258719), (39, 5583630), (45, 4839146), (65, 3350178), (78, 2791815), (90, 2419573), (103, 2114190), (117, 1861210), (130, 1675089), (139, 1566630), (169, 1288530), (195, 1116726), (206, 1057095), (234, 930605), (278, 783315), (309, 704730), (338, 644265), (390, 558363), (417, 522210), (507, 429510), (515, 422838), (585, 372242), (618, 352365), (695, 313326), (834, 261105), (845, 257706), (927, 234910), (1014, 214755), (1030, 211419), (1170, 186121), (1251, 174070), (1339, 162630), (1390, 156663), (1521, 143170), (1545, 140946), (1690, 128853), (1807, 120510), (1854, 117455), (2085, 104442), (2502, 87035), (2535, 85902), (2678, 81315), (3042, 71585), (3090, 70473), (3614, 60255), (4017, 54210), (4170, 52221), (4635, 46982), (5070, 42951), (5421, 40170), (6255, 34814), (6695, 32526), (7605, 28634), (8034, 27105), (9035, 24102), (9270, 23491), (10842, 20085), (12051, 18070), (12510, 17407), (13390, 16263), (14317, 15210)]