28568670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 52716450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 130, 139, 155, 170, 186, 195, 221, 255, 278, 310, 390, 403, 417, 442, 465, 510, 527, 663, 695, 806, 834, 930, 1054, 1105, 1209, 1326, 1390, 1581, 1807, 2015, 2085, 2210, 2363, 2418, 2635, 3162, 3315, 3614, 4030, 4170, 4309, 4726, 5270, 5421, 6045, 6630, 6851, 7089, 7905, 8618, 9035, 10842, 11815, 12090, 12927, 13702, 14178, 15810, 18070, 20553, 21545, 23630, 25854, 27105, 30719, 34255, 35445, 41106, 43090, 54210, 56017, 61438, 64635, 68510, 70890, 73253, 92157, 102765, 112034, 129270, 146506, 153595, 168051, 184314, 205530, 219759, 280085, 307190, 336102, 366265, 439518, 460785, 560170, 732530, 840255, 921570, 952289, 1098795, 1680510, 1904578, 2197590, 2856867, 4761445, 5713734, 9522890, 14284335, 28568670]

約数ペア:

[(1, 28568670), (2, 14284335), (3, 9522890), (5, 5713734), (6, 4761445), (10, 2856867), (13, 2197590), (15, 1904578), (17, 1680510), (26, 1098795), (30, 952289), (31, 921570), (34, 840255), (39, 732530), (51, 560170), (62, 460785), (65, 439518), (78, 366265), (85, 336102), (93, 307190), (102, 280085), (130, 219759), (139, 205530), (155, 184314), (170, 168051), (186, 153595), (195, 146506), (221, 129270), (255, 112034), (278, 102765), (310, 92157), (390, 73253), (403, 70890), (417, 68510), (442, 64635), (465, 61438), (510, 56017), (527, 54210), (663, 43090), (695, 41106), (806, 35445), (834, 34255), (930, 30719), (1054, 27105), (1105, 25854), (1209, 23630), (1326, 21545), (1390, 20553), (1581, 18070), (1807, 15810), (2015, 14178), (2085, 13702), (2210, 12927), (2363, 12090), (2418, 11815), (2635, 10842), (3162, 9035), (3315, 8618), (3614, 7905), (4030, 7089), (4170, 6851), (4309, 6630), (4726, 6045), (5270, 5421)]