65498880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 215306784

約数和(自身を除く): 149807904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 461, 480, 555, 592, 640, 740, 768, 888, 922, 960, 1110, 1184, 1280, 1383, 1480, 1776, 1844, 1920, 2220, 2305, 2368, 2766, 2960, 3552, 3688, 3840, 4440, 4610, 4736, 5532, 5920, 6915, 7104, 7376, 8880, 9220, 9472, 11064, 11840, 13830, 14208, 14752, 17057, 17760, 18440, 22128, 23680, 27660, 28416, 29504, 34114, 35520, 36880, 44256, 47360, 51171, 55320, 59008, 68228, 71040, 73760, 85285, 88512, 102342, 110640, 118016, 136456, 142080, 147520, 170570, 177024, 204684, 221280, 255855, 272912, 295040, 341140, 354048, 409368, 442560, 511710, 545824, 590080, 682280, 818736, 885120, 1023420, 1091648, 1364560, 1637472, 1770240, 2046840, 2183296, 2729120, 3274944, 4093680, 4366592, 5458240, 6549888, 8187360, 10916480, 13099776, 16374720, 21832960, 32749440, 65498880]

約数ペア:

[(1, 65498880), (2, 32749440), (3, 21832960), (4, 16374720), (5, 13099776), (6, 10916480), (8, 8187360), (10, 6549888), (12, 5458240), (15, 4366592), (16, 4093680), (20, 3274944), (24, 2729120), (30, 2183296), (32, 2046840), (37, 1770240), (40, 1637472), (48, 1364560), (60, 1091648), (64, 1023420), (74, 885120), (80, 818736), (96, 682280), (111, 590080), (120, 545824), (128, 511710), (148, 442560), (160, 409368), (185, 354048), (192, 341140), (222, 295040), (240, 272912), (256, 255855), (296, 221280), (320, 204684), (370, 177024), (384, 170570), (444, 147520), (461, 142080), (480, 136456), (555, 118016), (592, 110640), (640, 102342), (740, 88512), (768, 85285), (888, 73760), (922, 71040), (960, 68228), (1110, 59008), (1184, 55320), (1280, 51171), (1383, 47360), (1480, 44256), (1776, 36880), (1844, 35520), (1920, 34114), (2220, 29504), (2305, 28416), (2368, 27660), (2766, 23680), (2960, 22128), (3552, 18440), (3688, 17760), (3840, 17057), (4440, 14752), (4610, 14208), (4736, 13830), (5532, 11840), (5920, 11064), (6915, 9472), (7104, 9220), (7376, 8880)]