77889840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:747

約数の個数: 160

約数和(自身を含む): 280267776

約数和(自身を除く): 202377936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 653, 710, 840, 852, 994, 1065, 1136, 1306, 1420, 1491, 1680, 1704, 1959, 1988, 2130, 2485, 2612, 2840, 2982, 3265, 3408, 3918, 3976, 4260, 4571, 4970, 5224, 5680, 5964, 6530, 7455, 7836, 7952, 8520, 9142, 9795, 9940, 10448, 11928, 13060, 13713, 14910, 15672, 17040, 18284, 19590, 19880, 22855, 23856, 26120, 27426, 29820, 31344, 36568, 39180, 39760, 45710, 46363, 52240, 54852, 59640, 68565, 73136, 78360, 91420, 92726, 109704, 119280, 137130, 139089, 156720, 182840, 185452, 219408, 231815, 274260, 278178, 324541, 365680, 370904, 463630, 548520, 556356, 649082, 695445, 741808, 927260, 973623, 1097040, 1112712, 1298164, 1390890, 1622705, 1854520, 1947246, 2225424, 2596328, 2781780, 3245410, 3709040, 3894492, 4868115, 5192656, 5563560, 6490820, 7788984, 9736230, 11127120, 12981640, 15577968, 19472460, 25963280, 38944920, 77889840]

約数ペア:

[(1, 77889840), (2, 38944920), (3, 25963280), (4, 19472460), (5, 15577968), (6, 12981640), (7, 11127120), (8, 9736230), (10, 7788984), (12, 6490820), (14, 5563560), (15, 5192656), (16, 4868115), (20, 3894492), (21, 3709040), (24, 3245410), (28, 2781780), (30, 2596328), (35, 2225424), (40, 1947246), (42, 1854520), (48, 1622705), (56, 1390890), (60, 1298164), (70, 1112712), (71, 1097040), (80, 973623), (84, 927260), (105, 741808), (112, 695445), (120, 649082), (140, 556356), (142, 548520), (168, 463630), (210, 370904), (213, 365680), (240, 324541), (280, 278178), (284, 274260), (336, 231815), (355, 219408), (420, 185452), (426, 182840), (497, 156720), (560, 139089), (568, 137130), (653, 119280), (710, 109704), (840, 92726), (852, 91420), (994, 78360), (1065, 73136), (1136, 68565), (1306, 59640), (1420, 54852), (1491, 52240), (1680, 46363), (1704, 45710), (1959, 39760), (1988, 39180), (2130, 36568), (2485, 31344), (2612, 29820), (2840, 27426), (2982, 26120), (3265, 23856), (3408, 22855), (3918, 19880), (3976, 19590), (4260, 18284), (4571, 17040), (4970, 15672), (5224, 14910), (5680, 13713), (5964, 13060), (6530, 11928), (7455, 10448), (7836, 9940), (7952, 9795), (8520, 9142)]