121377280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2789}}^1$

素因数の和:2829

約数の個数: 80

約数和(自身を含む): 308250360

約数和(自身を除く): 186873080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 2789, 4352, 5440, 5578, 8704, 10880, 11156, 13945, 21760, 22312, 27890, 43520, 44624, 47413, 55780, 89248, 94826, 111560, 178496, 189652, 223120, 237065, 356992, 379304, 446240, 474130, 713984, 758608, 892480, 948260, 1427968, 1517216, 1784960, 1896520, 3034432, 3569920, 3793040, 6068864, 7139840, 7586080, 12137728, 15172160, 24275456, 30344320, 60688640, 121377280]

約数ペア:

[(1, 121377280), (2, 60688640), (4, 30344320), (5, 24275456), (8, 15172160), (10, 12137728), (16, 7586080), (17, 7139840), (20, 6068864), (32, 3793040), (34, 3569920), (40, 3034432), (64, 1896520), (68, 1784960), (80, 1517216), (85, 1427968), (128, 948260), (136, 892480), (160, 758608), (170, 713984), (256, 474130), (272, 446240), (320, 379304), (340, 356992), (512, 237065), (544, 223120), (640, 189652), (680, 178496), (1088, 111560), (1280, 94826), (1360, 89248), (2176, 55780), (2560, 47413), (2720, 44624), (2789, 43520), (4352, 27890), (5440, 22312), (5578, 21760), (8704, 13945), (10880, 11156)]