31724880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 109600128

約数和(自身を除く): 77875248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 110, 120, 122, 132, 165, 176, 183, 197, 220, 240, 244, 264, 305, 330, 366, 394, 440, 488, 528, 591, 610, 660, 671, 732, 788, 880, 915, 976, 985, 1182, 1220, 1320, 1342, 1464, 1576, 1830, 1970, 2013, 2167, 2364, 2440, 2640, 2684, 2928, 2955, 3152, 3355, 3660, 3940, 4026, 4334, 4728, 4880, 5368, 5910, 6501, 6710, 7320, 7880, 8052, 8668, 9456, 10065, 10736, 10835, 11820, 12017, 13002, 13420, 14640, 15760, 16104, 17336, 20130, 21670, 23640, 24034, 26004, 26840, 32208, 32505, 34672, 36051, 40260, 43340, 47280, 48068, 52008, 53680, 60085, 65010, 72102, 80520, 86680, 96136, 104016, 120170, 130020, 132187, 144204, 161040, 173360, 180255, 192272, 240340, 260040, 264374, 288408, 360510, 396561, 480680, 520080, 528748, 576816, 660935, 721020, 793122, 961360, 1057496, 1321870, 1442040, 1586244, 1982805, 2114992, 2643740, 2884080, 3172488, 3965610, 5287480, 6344976, 7931220, 10574960, 15862440, 31724880]

約数ペア:

[(1, 31724880), (2, 15862440), (3, 10574960), (4, 7931220), (5, 6344976), (6, 5287480), (8, 3965610), (10, 3172488), (11, 2884080), (12, 2643740), (15, 2114992), (16, 1982805), (20, 1586244), (22, 1442040), (24, 1321870), (30, 1057496), (33, 961360), (40, 793122), (44, 721020), (48, 660935), (55, 576816), (60, 528748), (61, 520080), (66, 480680), (80, 396561), (88, 360510), (110, 288408), (120, 264374), (122, 260040), (132, 240340), (165, 192272), (176, 180255), (183, 173360), (197, 161040), (220, 144204), (240, 132187), (244, 130020), (264, 120170), (305, 104016), (330, 96136), (366, 86680), (394, 80520), (440, 72102), (488, 65010), (528, 60085), (591, 53680), (610, 52008), (660, 48068), (671, 47280), (732, 43340), (788, 40260), (880, 36051), (915, 34672), (976, 32505), (985, 32208), (1182, 26840), (1220, 26004), (1320, 24034), (1342, 23640), (1464, 21670), (1576, 20130), (1830, 17336), (1970, 16104), (2013, 15760), (2167, 14640), (2364, 13420), (2440, 13002), (2640, 12017), (2684, 11820), (2928, 10835), (2955, 10736), (3152, 10065), (3355, 9456), (3660, 8668), (3940, 8052), (4026, 7880), (4334, 7320), (4728, 6710), (4880, 6501), (5368, 5910)]