128147880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:803

約数の個数: 128

約数和(自身を含む): 441619200

約数和(自身を除く): 313471320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 373, 409, 420, 746, 818, 840, 1119, 1227, 1492, 1636, 1865, 2045, 2238, 2454, 2611, 2863, 2984, 3272, 3730, 4090, 4476, 4908, 5222, 5595, 5726, 6135, 7460, 7833, 8180, 8589, 8952, 9816, 10444, 11190, 11452, 12270, 13055, 14315, 14920, 15666, 16360, 17178, 20888, 22380, 22904, 24540, 26110, 28630, 31332, 34356, 39165, 42945, 44760, 49080, 52220, 57260, 62664, 68712, 78330, 85890, 104440, 114520, 152557, 156660, 171780, 305114, 313320, 343560, 457671, 610228, 762785, 915342, 1067899, 1220456, 1525570, 1830684, 2135798, 2288355, 3051140, 3203697, 3661368, 4271596, 4576710, 5339495, 6102280, 6407394, 8543192, 9153420, 10678990, 12814788, 16018485, 18306840, 21357980, 25629576, 32036970, 42715960, 64073940, 128147880]

約数ペア:

[(1, 128147880), (2, 64073940), (3, 42715960), (4, 32036970), (5, 25629576), (6, 21357980), (7, 18306840), (8, 16018485), (10, 12814788), (12, 10678990), (14, 9153420), (15, 8543192), (20, 6407394), (21, 6102280), (24, 5339495), (28, 4576710), (30, 4271596), (35, 3661368), (40, 3203697), (42, 3051140), (56, 2288355), (60, 2135798), (70, 1830684), (84, 1525570), (105, 1220456), (120, 1067899), (140, 915342), (168, 762785), (210, 610228), (280, 457671), (373, 343560), (409, 313320), (420, 305114), (746, 171780), (818, 156660), (840, 152557), (1119, 114520), (1227, 104440), (1492, 85890), (1636, 78330), (1865, 68712), (2045, 62664), (2238, 57260), (2454, 52220), (2611, 49080), (2863, 44760), (2984, 42945), (3272, 39165), (3730, 34356), (4090, 31332), (4476, 28630), (4908, 26110), (5222, 24540), (5595, 22904), (5726, 22380), (6135, 20888), (7460, 17178), (7833, 16360), (8180, 15666), (8589, 14920), (8952, 14315), (9816, 13055), (10444, 12270), (11190, 11452)]