248490180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1155

約数の個数: 120

約数和(自身を含む): 785290968

約数和(自身を除く): 536800788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 157, 162, 180, 270, 314, 324, 405, 471, 540, 628, 785, 810, 942, 977, 1413, 1570, 1620, 1884, 1954, 2355, 2826, 2931, 3140, 3908, 4239, 4710, 4885, 5652, 5862, 7065, 8478, 8793, 9420, 9770, 11724, 12717, 14130, 14655, 16956, 17586, 19540, 21195, 25434, 26379, 28260, 29310, 35172, 42390, 43965, 50868, 52758, 58620, 63585, 79137, 84780, 87930, 105516, 127170, 131895, 153389, 158274, 175860, 254340, 263790, 306778, 316548, 395685, 460167, 527580, 613556, 766945, 791370, 920334, 1380501, 1533890, 1582740, 1840668, 2300835, 2761002, 3067780, 4141503, 4601670, 5522004, 6902505, 8283006, 9203340, 12424509, 13805010, 16566012, 20707515, 24849018, 27610020, 41415030, 49698036, 62122545, 82830060, 124245090, 248490180]

約数ペア:

[(1, 248490180), (2, 124245090), (3, 82830060), (4, 62122545), (5, 49698036), (6, 41415030), (9, 27610020), (10, 24849018), (12, 20707515), (15, 16566012), (18, 13805010), (20, 12424509), (27, 9203340), (30, 8283006), (36, 6902505), (45, 5522004), (54, 4601670), (60, 4141503), (81, 3067780), (90, 2761002), (108, 2300835), (135, 1840668), (157, 1582740), (162, 1533890), (180, 1380501), (270, 920334), (314, 791370), (324, 766945), (405, 613556), (471, 527580), (540, 460167), (628, 395685), (785, 316548), (810, 306778), (942, 263790), (977, 254340), (1413, 175860), (1570, 158274), (1620, 153389), (1884, 131895), (1954, 127170), (2355, 105516), (2826, 87930), (2931, 84780), (3140, 79137), (3908, 63585), (4239, 58620), (4710, 52758), (4885, 50868), (5652, 43965), (5862, 42390), (7065, 35172), (8478, 29310), (8793, 28260), (9420, 26379), (9770, 25434), (11724, 21195), (12717, 19540), (14130, 17586), (14655, 16956)]