281590720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1470

約数の個数: 112

約数和(自身を含む): 729691200

約数和(自身を除く): 448100480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 320, 340, 370, 544, 592, 629, 680, 740, 1088, 1184, 1258, 1360, 1399, 1480, 2368, 2516, 2720, 2798, 2960, 3145, 5032, 5440, 5596, 5920, 6290, 6995, 10064, 11192, 11840, 12580, 13990, 20128, 22384, 23783, 25160, 27980, 40256, 44768, 47566, 50320, 51763, 55960, 89536, 95132, 100640, 103526, 111920, 118915, 190264, 201280, 207052, 223840, 237830, 258815, 380528, 414104, 447680, 475660, 517630, 761056, 828208, 879971, 951320, 1035260, 1522112, 1656416, 1759942, 1902640, 2070520, 3312832, 3519884, 3805280, 4141040, 4399855, 7039768, 7610560, 8282080, 8799710, 14079536, 16564160, 17599420, 28159072, 35198840, 56318144, 70397680, 140795360, 281590720]

約数ペア:

[(1, 281590720), (2, 140795360), (4, 70397680), (5, 56318144), (8, 35198840), (10, 28159072), (16, 17599420), (17, 16564160), (20, 14079536), (32, 8799710), (34, 8282080), (37, 7610560), (40, 7039768), (64, 4399855), (68, 4141040), (74, 3805280), (80, 3519884), (85, 3312832), (136, 2070520), (148, 1902640), (160, 1759942), (170, 1656416), (185, 1522112), (272, 1035260), (296, 951320), (320, 879971), (340, 828208), (370, 761056), (544, 517630), (592, 475660), (629, 447680), (680, 414104), (740, 380528), (1088, 258815), (1184, 237830), (1258, 223840), (1360, 207052), (1399, 201280), (1480, 190264), (2368, 118915), (2516, 111920), (2720, 103526), (2798, 100640), (2960, 95132), (3145, 89536), (5032, 55960), (5440, 51763), (5596, 50320), (5920, 47566), (6290, 44768), (6995, 40256), (10064, 27980), (11192, 25160), (11840, 23783), (12580, 22384), (13990, 20128)]