248696320

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5155

約数の個数: 80

約数和(自身を含む): 627794640

約数和(自身を除く): 379098320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 5113, 6080, 9728, 10226, 12160, 20452, 24320, 25565, 40904, 48640, 51130, 81808, 97147, 102260, 163616, 194294, 204520, 327232, 388588, 409040, 485735, 654464, 777176, 818080, 971470, 1308928, 1554352, 1636160, 1942940, 2617856, 3108704, 3272320, 3885880, 6217408, 6544640, 7771760, 12434816, 13089280, 15543520, 24869632, 31087040, 49739264, 62174080, 124348160, 248696320]

約数ペア:

[(1, 248696320), (2, 124348160), (4, 62174080), (5, 49739264), (8, 31087040), (10, 24869632), (16, 15543520), (19, 13089280), (20, 12434816), (32, 7771760), (38, 6544640), (40, 6217408), (64, 3885880), (76, 3272320), (80, 3108704), (95, 2617856), (128, 1942940), (152, 1636160), (160, 1554352), (190, 1308928), (256, 971470), (304, 818080), (320, 777176), (380, 654464), (512, 485735), (608, 409040), (640, 388588), (760, 327232), (1216, 204520), (1280, 194294), (1520, 163616), (2432, 102260), (2560, 97147), (3040, 81808), (4864, 51130), (5113, 48640), (6080, 40904), (9728, 25565), (10226, 24320), (12160, 20452)]