72700160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 199339056

約数和(自身を除く): 126638896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 257, 260, 272, 320, 340, 416, 442, 514, 520, 544, 640, 680, 832, 884, 1028, 1040, 1088, 1105, 1280, 1285, 1360, 1664, 1768, 2056, 2080, 2176, 2210, 2570, 2720, 3328, 3341, 3536, 4112, 4160, 4352, 4369, 4420, 5140, 5440, 6682, 7072, 8224, 8320, 8738, 8840, 10280, 10880, 13364, 14144, 16448, 16640, 16705, 17476, 17680, 20560, 21760, 21845, 26728, 28288, 32896, 33410, 34952, 35360, 41120, 43690, 53456, 56576, 56797, 65792, 66820, 69904, 70720, 82240, 87380, 106912, 113594, 133640, 139808, 141440, 164480, 174760, 213824, 227188, 267280, 279616, 282880, 283985, 328960, 349520, 427648, 454376, 534560, 559232, 567970, 699040, 855296, 908752, 1069120, 1118464, 1135940, 1398080, 1817504, 2138240, 2271880, 2796160, 3635008, 4276480, 4543760, 5592320, 7270016, 9087520, 14540032, 18175040, 36350080, 72700160]

約数ペア:

[(1, 72700160), (2, 36350080), (4, 18175040), (5, 14540032), (8, 9087520), (10, 7270016), (13, 5592320), (16, 4543760), (17, 4276480), (20, 3635008), (26, 2796160), (32, 2271880), (34, 2138240), (40, 1817504), (52, 1398080), (64, 1135940), (65, 1118464), (68, 1069120), (80, 908752), (85, 855296), (104, 699040), (128, 567970), (130, 559232), (136, 534560), (160, 454376), (170, 427648), (208, 349520), (221, 328960), (256, 283985), (257, 282880), (260, 279616), (272, 267280), (320, 227188), (340, 213824), (416, 174760), (442, 164480), (514, 141440), (520, 139808), (544, 133640), (640, 113594), (680, 106912), (832, 87380), (884, 82240), (1028, 70720), (1040, 69904), (1088, 66820), (1105, 65792), (1280, 56797), (1285, 56576), (1360, 53456), (1664, 43690), (1768, 41120), (2056, 35360), (2080, 34952), (2176, 33410), (2210, 32896), (2570, 28288), (2720, 26728), (3328, 21845), (3341, 21760), (3536, 20560), (4112, 17680), (4160, 17476), (4352, 16705), (4369, 16640), (4420, 16448), (5140, 14144), (5440, 13364), (6682, 10880), (7072, 10280), (8224, 8840), (8320, 8738)]