256220130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7369}}^1$

素因数の和:7459

約数の個数: 64

約数和(自身を含む): 657993600

約数和(自身を除く): 401773470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 61, 95, 114, 122, 183, 190, 285, 305, 366, 570, 610, 915, 1159, 1830, 2318, 3477, 5795, 6954, 7369, 11590, 14738, 17385, 22107, 34770, 36845, 44214, 73690, 110535, 140011, 221070, 280022, 420033, 449509, 700055, 840066, 899018, 1348527, 1400110, 2100165, 2247545, 2697054, 4200330, 4495090, 6742635, 8540671, 13485270, 17081342, 25622013, 42703355, 51244026, 85406710, 128110065, 256220130]

約数ペア:

[(1, 256220130), (2, 128110065), (3, 85406710), (5, 51244026), (6, 42703355), (10, 25622013), (15, 17081342), (19, 13485270), (30, 8540671), (38, 6742635), (57, 4495090), (61, 4200330), (95, 2697054), (114, 2247545), (122, 2100165), (183, 1400110), (190, 1348527), (285, 899018), (305, 840066), (366, 700055), (570, 449509), (610, 420033), (915, 280022), (1159, 221070), (1830, 140011), (2318, 110535), (3477, 73690), (5795, 44214), (6954, 36845), (7369, 34770), (11590, 22107), (14738, 17385)]