4080321280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{455393}}^1$

素因数の和:455421

約数の個数: 72

約数和(自身を含む): 11169904032

約数和(自身を除く): 7089582752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 455393, 910786, 1821572, 2276965, 3187751, 3643144, 4553930, 6375502, 7286288, 9107860, 12751004, 14572576, 15938755, 18215720, 25502008, 29145152, 31877510, 36431440, 51004016, 58290304, 63755020, 72862880, 102008032, 116580608, 127510040, 145725760, 204016064, 255020080, 291451520, 408032128, 510040160, 582903040, 816064256, 1020080320, 2040160640, 4080321280]

約数ペア:

[(1, 4080321280), (2, 2040160640), (4, 1020080320), (5, 816064256), (7, 582903040), (8, 510040160), (10, 408032128), (14, 291451520), (16, 255020080), (20, 204016064), (28, 145725760), (32, 127510040), (35, 116580608), (40, 102008032), (56, 72862880), (64, 63755020), (70, 58290304), (80, 51004016), (112, 36431440), (128, 31877510), (140, 29145152), (160, 25502008), (224, 18215720), (256, 15938755), (280, 14572576), (320, 12751004), (448, 9107860), (560, 7286288), (640, 6375502), (896, 4553930), (1120, 3643144), (1280, 3187751), (1792, 2276965), (2240, 1821572), (4480, 910786), (8960, 455393)]