91680080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 223914240

約数和(自身を除く): 132234160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 74, 80, 94, 148, 185, 188, 235, 296, 370, 376, 470, 592, 659, 740, 752, 940, 1318, 1480, 1739, 1880, 2636, 2960, 3295, 3478, 3760, 5272, 6590, 6956, 8695, 10544, 13180, 13912, 17390, 24383, 26360, 27824, 30973, 34780, 48766, 52720, 61946, 69560, 97532, 121915, 123892, 139120, 154865, 195064, 243830, 247784, 309730, 390128, 487660, 495568, 619460, 975320, 1146001, 1238920, 1950640, 2292002, 2477840, 4584004, 5730005, 9168008, 11460010, 18336016, 22920020, 45840040, 91680080]

約数ペア:

[(1, 91680080), (2, 45840040), (4, 22920020), (5, 18336016), (8, 11460010), (10, 9168008), (16, 5730005), (20, 4584004), (37, 2477840), (40, 2292002), (47, 1950640), (74, 1238920), (80, 1146001), (94, 975320), (148, 619460), (185, 495568), (188, 487660), (235, 390128), (296, 309730), (370, 247784), (376, 243830), (470, 195064), (592, 154865), (659, 139120), (740, 123892), (752, 121915), (940, 97532), (1318, 69560), (1480, 61946), (1739, 52720), (1880, 48766), (2636, 34780), (2960, 30973), (3295, 27824), (3478, 26360), (3760, 24383), (5272, 17390), (6590, 13912), (6956, 13180), (8695, 10544)]