78720240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1618

約数の個数: 80

約数和(自身を含む): 245225376

約数和(自身を除く): 166505136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 241, 482, 723, 964, 1205, 1361, 1446, 1928, 2410, 2722, 2892, 3615, 3856, 4083, 4820, 5444, 5784, 6805, 7230, 8166, 9640, 10888, 11568, 13610, 14460, 16332, 19280, 20415, 21776, 27220, 28920, 32664, 40830, 54440, 57840, 65328, 81660, 108880, 163320, 326640, 328001, 656002, 984003, 1312004, 1640005, 1968006, 2624008, 3280010, 3936012, 4920015, 5248016, 6560020, 7872024, 9840030, 13120040, 15744048, 19680060, 26240080, 39360120, 78720240]

約数ペア:

[(1, 78720240), (2, 39360120), (3, 26240080), (4, 19680060), (5, 15744048), (6, 13120040), (8, 9840030), (10, 7872024), (12, 6560020), (15, 5248016), (16, 4920015), (20, 3936012), (24, 3280010), (30, 2624008), (40, 1968006), (48, 1640005), (60, 1312004), (80, 984003), (120, 656002), (240, 328001), (241, 326640), (482, 163320), (723, 108880), (964, 81660), (1205, 65328), (1361, 57840), (1446, 54440), (1928, 40830), (2410, 32664), (2722, 28920), (2892, 27220), (3615, 21776), (3856, 20415), (4083, 19280), (4820, 16332), (5444, 14460), (5784, 13610), (6805, 11568), (7230, 10888), (8166, 9640)]