2154815880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2565257}}^1$

素因数の和:2565278

約数の個数: 64

約数和(自身を含む): 7387943040

約数和(自身を除く): 5233127160

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, 420, 840, 2565257, 5130514, 7695771, 10261028, 12826285, 15391542, 17956799, 20522056, 25652570, 30783084, 35913598, 38478855, 51305140, 53870397, 61566168, 71827196, 76957710, 89783995, 102610280, 107740794, 143654392, 153915420, 179567990, 215481588, 269351985, 307830840, 359135980, 430963176, 538703970, 718271960, 1077407940, 2154815880]

約数ペア:

[(1, 2154815880), (2, 1077407940), (3, 718271960), (4, 538703970), (5, 430963176), (6, 359135980), (7, 307830840), (8, 269351985), (10, 215481588), (12, 179567990), (14, 153915420), (15, 143654392), (20, 107740794), (21, 102610280), (24, 89783995), (28, 76957710), (30, 71827196), (35, 61566168), (40, 53870397), (42, 51305140), (56, 38478855), (60, 35913598), (70, 30783084), (84, 25652570), (105, 20522056), (120, 17956799), (140, 15391542), (168, 12826285), (210, 10261028), (280, 7695771), (420, 5130514), (840, 2565257)]