61694720

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 149203824

約数和(自身を除く): 87509104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 307, 314, 320, 614, 628, 640, 785, 1228, 1256, 1280, 1535, 1570, 2456, 2512, 3070, 3140, 4912, 5024, 6140, 6280, 9824, 10048, 12280, 12560, 19648, 20096, 24560, 25120, 39296, 40192, 48199, 49120, 50240, 78592, 96398, 98240, 100480, 192796, 196480, 200960, 240995, 385592, 392960, 481990, 771184, 963980, 1542368, 1927960, 3084736, 3855920, 6169472, 7711840, 12338944, 15423680, 30847360, 61694720]

約数ペア:

[(1, 61694720), (2, 30847360), (4, 15423680), (5, 12338944), (8, 7711840), (10, 6169472), (16, 3855920), (20, 3084736), (32, 1927960), (40, 1542368), (64, 963980), (80, 771184), (128, 481990), (157, 392960), (160, 385592), (256, 240995), (307, 200960), (314, 196480), (320, 192796), (614, 100480), (628, 98240), (640, 96398), (785, 78592), (1228, 50240), (1256, 49120), (1280, 48199), (1535, 40192), (1570, 39296), (2456, 25120), (2512, 24560), (3070, 20096), (3140, 19648), (4912, 12560), (5024, 12280), (6140, 10048), (6280, 9824)]