1815989640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1931}}^1$

素因数の和:2423

約数の個数: 128

約数和(自身を含む): 5783944320

約数和(自身を除く): 3967954680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 461, 510, 680, 922, 1020, 1383, 1844, 1931, 2040, 2305, 2766, 3688, 3862, 4610, 5532, 5793, 6915, 7724, 7837, 9220, 9655, 11064, 11586, 13830, 15448, 15674, 18440, 19310, 23172, 23511, 27660, 28965, 31348, 32827, 38620, 39185, 46344, 47022, 55320, 57930, 62696, 65654, 77240, 78370, 94044, 98481, 115860, 117555, 131308, 156740, 164135, 188088, 196962, 231720, 235110, 262616, 313480, 328270, 393924, 470220, 492405, 656540, 787848, 890191, 940440, 984810, 1313080, 1780382, 1969620, 2670573, 3560764, 3939240, 4450955, 5341146, 7121528, 8901910, 10682292, 13352865, 15133247, 17803820, 21364584, 26705730, 30266494, 35607640, 45399741, 53411460, 60532988, 75666235, 90799482, 106822920, 121065976, 151332470, 181598964, 226998705, 302664940, 363197928, 453997410, 605329880, 907994820, 1815989640]

約数ペア:

[(1, 1815989640), (2, 907994820), (3, 605329880), (4, 453997410), (5, 363197928), (6, 302664940), (8, 226998705), (10, 181598964), (12, 151332470), (15, 121065976), (17, 106822920), (20, 90799482), (24, 75666235), (30, 60532988), (34, 53411460), (40, 45399741), (51, 35607640), (60, 30266494), (68, 26705730), (85, 21364584), (102, 17803820), (120, 15133247), (136, 13352865), (170, 10682292), (204, 8901910), (255, 7121528), (340, 5341146), (408, 4450955), (461, 3939240), (510, 3560764), (680, 2670573), (922, 1969620), (1020, 1780382), (1383, 1313080), (1844, 984810), (1931, 940440), (2040, 890191), (2305, 787848), (2766, 656540), (3688, 492405), (3862, 470220), (4610, 393924), (5532, 328270), (5793, 313480), (6915, 262616), (7724, 235110), (7837, 231720), (9220, 196962), (9655, 188088), (11064, 164135), (11586, 156740), (13830, 131308), (15448, 117555), (15674, 115860), (18440, 98481), (19310, 94044), (23172, 78370), (23511, 77240), (27660, 65654), (28965, 62696), (31348, 57930), (32827, 55320), (38620, 47022), (39185, 46344)]