178705020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13477}}^1$

素因数の和:13519

約数の個数: 96

約数和(自身を含む): 570604608

約数和(自身を除く): 391899588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 4420, 6630, 13260, 13477, 26954, 40431, 53908, 67385, 80862, 134770, 161724, 175201, 202155, 229109, 269540, 350402, 404310, 458218, 525603, 687327, 700804, 808620, 876005, 916436, 1051206, 1145545, 1374654, 1752010, 2102412, 2291090, 2628015, 2749308, 2978417, 3436635, 3504020, 4582180, 5256030, 5956834, 6873270, 8935251, 10512060, 11913668, 13746540, 14892085, 17870502, 29784170, 35741004, 44676255, 59568340, 89352510, 178705020]

約数ペア:

[(1, 178705020), (2, 89352510), (3, 59568340), (4, 44676255), (5, 35741004), (6, 29784170), (10, 17870502), (12, 14892085), (13, 13746540), (15, 11913668), (17, 10512060), (20, 8935251), (26, 6873270), (30, 5956834), (34, 5256030), (39, 4582180), (51, 3504020), (52, 3436635), (60, 2978417), (65, 2749308), (68, 2628015), (78, 2291090), (85, 2102412), (102, 1752010), (130, 1374654), (156, 1145545), (170, 1051206), (195, 916436), (204, 876005), (221, 808620), (255, 700804), (260, 687327), (340, 525603), (390, 458218), (442, 404310), (510, 350402), (663, 269540), (780, 229109), (884, 202155), (1020, 175201), (1105, 161724), (1326, 134770), (2210, 80862), (2652, 67385), (3315, 53908), (4420, 40431), (6630, 26954), (13260, 13477)]