640804548020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{62683}}^1$

素因数の和:62890

約数の個数: 192

約数和(自身を含む): 1709040646656

約数和(自身を除く): 1068236098636

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 91, 130, 137, 140, 164, 182, 205, 260, 274, 287, 364, 410, 455, 533, 548, 574, 685, 820, 910, 959, 1066, 1148, 1370, 1435, 1781, 1820, 1918, 2132, 2665, 2740, 2870, 3562, 3731, 3836, 4795, 5330, 5617, 5740, 7124, 7462, 8905, 9590, 10660, 11234, 12467, 14924, 17810, 18655, 19180, 22468, 24934, 28085, 35620, 37310, 39319, 49868, 56170, 62335, 62683, 73021, 74620, 78638, 112340, 124670, 125366, 146042, 157276, 196595, 249340, 250732, 292084, 313415, 365105, 393190, 438781, 511147, 626830, 730210, 786380, 814879, 877562, 1022294, 1253660, 1460420, 1629758, 1755124, 2044588, 2193905, 2555735, 2570003, 3259516, 4074395, 4387810, 5111470, 5140006, 5704153, 8148790, 8587571, 8775620, 10222940, 10280012, 11408306, 12850015, 16297580, 17175142, 17990021, 22816612, 25700030, 28520765, 33410039, 34350284, 35980042, 42937855, 51400060, 57041530, 60112997, 66820078, 71960084, 85875710, 89950105, 111638423, 114083060, 120225994, 133640156, 167050195, 171751420, 179900210, 223276846, 233870273, 240451988, 300564985, 334100390, 352090411, 359800420, 446553692, 467740546, 558192115, 601129970, 668200780, 704180822, 781468961, 935481092, 1116384230, 1169351365, 1202259940, 1408361644, 1562937922, 1760452055, 2232768460, 2338702730, 2464632877, 3125875844, 3520904110, 3907344805, 4577175343, 4677405460, 4929265754, 7041808220, 7814689610, 9154350686, 9858531508, 12323164385, 15629379220, 18308701372, 22885876715, 24646328770, 32040227401, 45771753430, 49292657540, 64080454802, 91543506860, 128160909604, 160201137005, 320402274010, 640804548020]

約数ペア:

[(1, 640804548020), (2, 320402274010), (4, 160201137005), (5, 128160909604), (7, 91543506860), (10, 64080454802), (13, 49292657540), (14, 45771753430), (20, 32040227401), (26, 24646328770), (28, 22885876715), (35, 18308701372), (41, 15629379220), (52, 12323164385), (65, 9858531508), (70, 9154350686), (82, 7814689610), (91, 7041808220), (130, 4929265754), (137, 4677405460), (140, 4577175343), (164, 3907344805), (182, 3520904110), (205, 3125875844), (260, 2464632877), (274, 2338702730), (287, 2232768460), (364, 1760452055), (410, 1562937922), (455, 1408361644), (533, 1202259940), (548, 1169351365), (574, 1116384230), (685, 935481092), (820, 781468961), (910, 704180822), (959, 668200780), (1066, 601129970), (1148, 558192115), (1370, 467740546), (1435, 446553692), (1781, 359800420), (1820, 352090411), (1918, 334100390), (2132, 300564985), (2665, 240451988), (2740, 233870273), (2870, 223276846), (3562, 179900210), (3731, 171751420), (3836, 167050195), (4795, 133640156), (5330, 120225994), (5617, 114083060), (5740, 111638423), (7124, 89950105), (7462, 85875710), (8905, 71960084), (9590, 66820078), (10660, 60112997), (11234, 57041530), (12467, 51400060), (14924, 42937855), (17810, 35980042), (18655, 34350284), (19180, 33410039), (22468, 28520765), (24934, 25700030), (28085, 22816612), (35620, 17990021), (37310, 17175142), (39319, 16297580), (49868, 12850015), (56170, 11408306), (62335, 10280012), (62683, 10222940), (73021, 8775620), (74620, 8587571), (78638, 8148790), (112340, 5704153), (124670, 5140006), (125366, 5111470), (146042, 4387810), (157276, 4074395), (196595, 3259516), (249340, 2570003), (250732, 2555735), (292084, 2193905), (313415, 2044588), (365105, 1755124), (393190, 1629758), (438781, 1460420), (511147, 1253660), (626830, 1022294), (730210, 877562), (786380, 814879)]