56720240

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 137000160

約数和(自身を除く): 80279920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 61, 80, 118, 122, 197, 236, 244, 295, 305, 394, 472, 488, 590, 610, 788, 944, 976, 985, 1180, 1220, 1576, 1970, 2360, 2440, 3152, 3599, 3940, 4720, 4880, 7198, 7880, 11623, 12017, 14396, 15760, 17995, 23246, 24034, 28792, 35990, 46492, 48068, 57584, 58115, 60085, 71980, 92984, 96136, 116230, 120170, 143960, 185968, 192272, 232460, 240340, 287920, 464920, 480680, 709003, 929840, 961360, 1418006, 2836012, 3545015, 5672024, 7090030, 11344048, 14180060, 28360120, 56720240]

約数ペア:

[(1, 56720240), (2, 28360120), (4, 14180060), (5, 11344048), (8, 7090030), (10, 5672024), (16, 3545015), (20, 2836012), (40, 1418006), (59, 961360), (61, 929840), (80, 709003), (118, 480680), (122, 464920), (197, 287920), (236, 240340), (244, 232460), (295, 192272), (305, 185968), (394, 143960), (472, 120170), (488, 116230), (590, 96136), (610, 92984), (788, 71980), (944, 60085), (976, 58115), (985, 57584), (1180, 48068), (1220, 46492), (1576, 35990), (1970, 28792), (2360, 24034), (2440, 23246), (3152, 17995), (3599, 15760), (3940, 14396), (4720, 12017), (4880, 11623), (7198, 7880)]