1721736390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{71471}}^1$

素因数の和:71565

約数の個数: 64

約数和(自身を含む): 4569633792

約数和(自身を除く): 2847897402

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 1095, 1606, 2190, 2409, 4015, 4818, 8030, 12045, 24090, 71471, 142942, 214413, 357355, 428826, 714710, 786181, 1072065, 1572362, 2144130, 2358543, 3930905, 4717086, 5217383, 7861810, 10434766, 11792715, 15652149, 23585430, 26086915, 31304298, 52173830, 57391213, 78260745, 114782426, 156521490, 172173639, 286956065, 344347278, 573912130, 860868195, 1721736390]

約数ペア:

[(1, 1721736390), (2, 860868195), (3, 573912130), (5, 344347278), (6, 286956065), (10, 172173639), (11, 156521490), (15, 114782426), (22, 78260745), (30, 57391213), (33, 52173830), (55, 31304298), (66, 26086915), (73, 23585430), (110, 15652149), (146, 11792715), (165, 10434766), (219, 7861810), (330, 5217383), (365, 4717086), (438, 3930905), (730, 2358543), (803, 2144130), (1095, 1572362), (1606, 1072065), (2190, 786181), (2409, 714710), (4015, 428826), (4818, 357355), (8030, 214413), (12045, 142942), (24090, 71471)]