30726800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 83952960

約数和(自身を除く): 53226160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 190, 200, 208, 247, 260, 304, 311, 325, 380, 400, 475, 494, 520, 622, 650, 760, 950, 988, 1040, 1235, 1244, 1300, 1520, 1555, 1900, 1976, 2470, 2488, 2600, 3110, 3800, 3952, 4043, 4940, 4976, 5200, 5909, 6175, 6220, 7600, 7775, 8086, 9880, 11818, 12350, 12440, 15550, 16172, 19760, 20215, 23636, 24700, 24880, 29545, 31100, 32344, 40430, 47272, 49400, 59090, 62200, 64688, 76817, 80860, 94544, 98800, 101075, 118180, 124400, 147725, 153634, 161720, 202150, 236360, 295450, 307268, 323440, 384085, 404300, 472720, 590900, 614536, 768170, 808600, 1181800, 1229072, 1536340, 1617200, 1920425, 2363600, 3072680, 3840850, 6145360, 7681700, 15363400, 30726800]

約数ペア:

[(1, 30726800), (2, 15363400), (4, 7681700), (5, 6145360), (8, 3840850), (10, 3072680), (13, 2363600), (16, 1920425), (19, 1617200), (20, 1536340), (25, 1229072), (26, 1181800), (38, 808600), (40, 768170), (50, 614536), (52, 590900), (65, 472720), (76, 404300), (80, 384085), (95, 323440), (100, 307268), (104, 295450), (130, 236360), (152, 202150), (190, 161720), (200, 153634), (208, 147725), (247, 124400), (260, 118180), (304, 101075), (311, 98800), (325, 94544), (380, 80860), (400, 76817), (475, 64688), (494, 62200), (520, 59090), (622, 49400), (650, 47272), (760, 40430), (950, 32344), (988, 31100), (1040, 29545), (1235, 24880), (1244, 24700), (1300, 23636), (1520, 20215), (1555, 19760), (1900, 16172), (1976, 15550), (2470, 12440), (2488, 12350), (2600, 11818), (3110, 9880), (3800, 8086), (3952, 7775), (4043, 7600), (4940, 6220), (4976, 6175), (5200, 5909)]