89914240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 235962720

約数和(自身を除く): 146048480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 107, 128, 130, 160, 202, 208, 214, 260, 320, 404, 416, 428, 505, 520, 535, 640, 808, 832, 856, 1010, 1040, 1070, 1313, 1391, 1616, 1664, 1712, 2020, 2080, 2140, 2626, 2782, 3232, 3424, 4040, 4160, 4280, 5252, 5564, 6464, 6565, 6848, 6955, 8080, 8320, 8560, 10504, 10807, 11128, 12928, 13130, 13696, 13910, 16160, 17120, 21008, 21614, 22256, 26260, 27820, 32320, 34240, 42016, 43228, 44512, 52520, 54035, 55640, 64640, 68480, 84032, 86456, 89024, 105040, 108070, 111280, 140491, 168064, 172912, 178048, 210080, 216140, 222560, 280982, 345824, 420160, 432280, 445120, 561964, 691648, 702455, 840320, 864560, 890240, 1123928, 1383296, 1404910, 1729120, 2247856, 2809820, 3458240, 4495712, 5619640, 6916480, 8991424, 11239280, 17982848, 22478560, 44957120, 89914240]

約数ペア:

[(1, 89914240), (2, 44957120), (4, 22478560), (5, 17982848), (8, 11239280), (10, 8991424), (13, 6916480), (16, 5619640), (20, 4495712), (26, 3458240), (32, 2809820), (40, 2247856), (52, 1729120), (64, 1404910), (65, 1383296), (80, 1123928), (101, 890240), (104, 864560), (107, 840320), (128, 702455), (130, 691648), (160, 561964), (202, 445120), (208, 432280), (214, 420160), (260, 345824), (320, 280982), (404, 222560), (416, 216140), (428, 210080), (505, 178048), (520, 172912), (535, 168064), (640, 140491), (808, 111280), (832, 108070), (856, 105040), (1010, 89024), (1040, 86456), (1070, 84032), (1313, 68480), (1391, 64640), (1616, 55640), (1664, 54035), (1712, 52520), (2020, 44512), (2080, 43228), (2140, 42016), (2626, 34240), (2782, 32320), (3232, 27820), (3424, 26260), (4040, 22256), (4160, 21614), (4280, 21008), (5252, 17120), (5564, 16160), (6464, 13910), (6565, 13696), (6848, 13130), (6955, 12928), (8080, 11128), (8320, 10807), (8560, 10504)]