28553280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{607}}^1$

素因数の和:641

約数の個数: 168

約数和(自身を含む): 105631488

約数和(自身を除く): 77078208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 607, 672, 735, 784, 840, 960, 980, 1120, 1176, 1214, 1344, 1470, 1568, 1680, 1821, 1960, 2240, 2352, 2428, 2940, 3035, 3136, 3360, 3642, 3920, 4249, 4704, 4856, 5880, 6070, 6720, 7284, 7840, 8498, 9105, 9408, 9712, 11760, 12140, 12747, 14568, 15680, 16996, 18210, 19424, 21245, 23520, 24280, 25494, 29136, 29743, 33992, 36420, 38848, 42490, 47040, 48560, 50988, 58272, 59486, 63735, 67984, 72840, 84980, 89229, 97120, 101976, 116544, 118972, 127470, 135968, 145680, 148715, 169960, 178458, 194240, 203952, 237944, 254940, 271936, 291360, 297430, 339920, 356916, 407904, 446145, 475888, 509880, 582720, 594860, 679840, 713832, 815808, 892290, 951776, 1019760, 1189720, 1359680, 1427664, 1784580, 1903552, 2039520, 2379440, 2855328, 3569160, 4079040, 4758880, 5710656, 7138320, 9517760, 14276640, 28553280]

約数ペア:

[(1, 28553280), (2, 14276640), (3, 9517760), (4, 7138320), (5, 5710656), (6, 4758880), (7, 4079040), (8, 3569160), (10, 2855328), (12, 2379440), (14, 2039520), (15, 1903552), (16, 1784580), (20, 1427664), (21, 1359680), (24, 1189720), (28, 1019760), (30, 951776), (32, 892290), (35, 815808), (40, 713832), (42, 679840), (48, 594860), (49, 582720), (56, 509880), (60, 475888), (64, 446145), (70, 407904), (80, 356916), (84, 339920), (96, 297430), (98, 291360), (105, 271936), (112, 254940), (120, 237944), (140, 203952), (147, 194240), (160, 178458), (168, 169960), (192, 148715), (196, 145680), (210, 135968), (224, 127470), (240, 118972), (245, 116544), (280, 101976), (294, 97120), (320, 89229), (336, 84980), (392, 72840), (420, 67984), (448, 63735), (480, 59486), (490, 58272), (560, 50988), (588, 48560), (607, 47040), (672, 42490), (735, 38848), (784, 36420), (840, 33992), (960, 29743), (980, 29136), (1120, 25494), (1176, 24280), (1214, 23520), (1344, 21245), (1470, 19424), (1568, 18210), (1680, 16996), (1821, 15680), (1960, 14568), (2240, 12747), (2352, 12140), (2428, 11760), (2940, 9712), (3035, 9408), (3136, 9105), (3360, 8498), (3642, 7840), (3920, 7284), (4249, 6720), (4704, 6070), (4856, 5880)]